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Logitech K780 Multi-Device Wireless Keyboard vs Logitech Signature K650 Wireless Keyboard with Palm-rest

A

Product A: Logitech

K780 Multi-Device Wireless Keyboard

53 of 164 known

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B

Product B: Logitech

Signature K650 Wireless Keyboard with Palm-rest

71 of 164 known

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech K780 Multi-Device Wireless Keyboard

BLogitech Signature K650 Wireless Keyboard with Palm-rest

General

6 of 9 differ

Series

Not available

Signature1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The page labels the product Signature Series.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

920-008149, 920-008025, 920-008028, 920-008041, 920-008034, 920-008042, 920-008036, 920-008033, 920-008030, 920-0080291Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026US page product data: 920-008149 Dark Grey/Plain White and 920-008025 Dark Grey/Speckled White, both English US (QWERTY). Other item numbers come from the regional Logitech pages.2Maker product pagelogitech.com/en-gb/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026920-008041, 920-008034, 920-008042.3Maker product pagelogitech.com/en-eu/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Adds 920-008036.4Maker product pagelogitech.com/en-hk/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026920-008028.7Maker product pagelogitech.com/ja-jp/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026920-008033.8Maker product pagelogitech.com/ko-kr/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026920-008030.9Maker product pagelogitech.com/zh-tw/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026920-008029.

920-010962, 920-010908, YR-0071, 920-010981, 920-010972, 920-010966, 920-010979, 920-010974, 920-010977, 920-010971, 920-010983, 920-010968, 920-010969, 920-010967, 920-010949, 920-010918, 920-010912, 920-010947, 920-010920, 920-010945, 920-010917, 920-010951, 920-010914, 920-010915, 920-0109131Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The US store sells two English US (QWERTY) models: 920-010962 Off-white and 920-010908 Graphite. The GB and DE stores sell 22 regional models.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Product information: keyboard model YR-0071, on the back of the keyboard.7Maker product pagelogitech.com/en-gb/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Part numbers of the regional models on the GB store.

GTIN / EAN

Not available

097855179531, 0978551794495Maker product pageweb.archive.org/web/20220829210844/https://www.logitech.com/en-us/products/keyboards/k650-signature-wireless-keyboard.htmlRead 16 October 2026The archive does not show barcodes. The UPC-A numbers come from the UPCitemdb entries.15Spec databaseupcitemdb.com/upc/097855179531Read 16 October 2026UPC-A 097855179531. Listing names say Signature K650 Wireless Keyboard, Off-white, 920-010962.16Spec databaseupcitemdb.com/upc/097855179449Read 16 October 2026UPC-A 097855179449. Listing names say Signature K650 Graphite, 920-010908.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

29 June 201611Press releasenews.logitech.com/press-releases/news-details/2016/Logitech-K780-Multi-Device-One-Keyboard-for-Any-Device/default.aspxRead 23 October 2026US press release dated 14 September 2016 says Logitech announced it that day. The earliest announcements are 29 June 2016 in Germany and Malaysia, see the other sources.12Press articlemobiflip.de/logitech-k780-multi-device-wireless/ampRead 23 October 2026mobiFlip, 29 June 2016: Logitech presented the K780 that day.

17 August 20224Press releaselogitech.com/blog/2022/08/17/get-the-comfort-and-performance-you-deserve-with-the-logitech-signature-k650-wireless-comfort-keyboardRead 16 October 2026Maker blog post of August 17, 2022 introduces the Signature K650.

Status

Available1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026US page: In stock. Ready to ship, price $69.99.

Available1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The US store shows the product in stock at USD 59.99.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$79.9911Press releasenews.logitech.com/press-releases/news-details/2016/Logitech-K780-Multi-Device-One-Keyboard-for-Any-Device/default.aspxRead 23 October 2026Suggested retail price $79.99 at Logitech.com on 14 September 2016. Excludes tax.

$49.995Maker product pageweb.archive.org/web/20220829210844/https://www.logitech.com/en-us/products/keyboards/k650-signature-wireless-keyboard.htmlRead 16 October 2026Archived copy of the maker's US store page of 2022-08-29, 12 days after launch. Both US models, 920-010962 and 920-010908, list USD 49.99 and in stock. Prices on the US store exclude sales tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€99.9912Press articlemobiflip.de/logitech-k780-multi-device-wireless/ampRead 23 October 2026Recommended price 99.99 euro on Logitech.de, as a German retail price with VAT.

€496Maker product pageweb.archive.org/web/20220831044851/https://www.logitech.com/de-de/products/keyboards/k650-signature-wireless-keyboard.htmlRead 16 October 2026Archived copy of the maker's DE store page of 2022-08-31. The German models 920-010913 and 920-010967 list EUR 49. Other layouts list EUR 49 or EUR 49.99 on the same page. The structured data states the price as 49 and 49.0. The price includes VAT as published.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, CA, GB, EU, AU, HK, ZA, JP, KR, TW2Maker product pagelogitech.com/en-gb/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026GBP price on this store.3Maker product pagelogitech.com/en-eu/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026EUR price on this store.4Maker product pagelogitech.com/en-hk/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Hong Kong and Australia stores list 920-008028.5Maker product pagelogitech.com/en-ca/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Canada store, priced in CAD.6Maker product pagelogitech.com/en-za/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026South Africa store.7Maker product pagelogitech.com/ja-jp/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Japan store.8Maker product pagelogitech.com/ko-kr/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Korea store.9Maker product pagelogitech.com/zh-tw/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Taiwan store.

US, GB, DE1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026US store. The GB and DE stores sell the regional models.7Maker product pagelogitech.com/en-gb/shop/p/k650-signature-wireless-keyboardRead 16 October 2026GB store.8Maker product pagelogitech.com/de-de/shop/p/k650-signature-wireless-keyboardRead 16 October 2026DE store.

ColoursiThe maker's own colour names

Dark Grey/Plain White, Dark Grey/Speckled White, White1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026US page colour names: Dark Grey/Plain White and Dark Grey/Speckled White. Regional pages call the colour White.2Maker product pagelogitech.com/en-gb/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Colour: White.

Off-white, Graphite1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Colour options on the store: Off-white and Graphite.

Segment

Office17Retailer pageamazon.com/dp/B01LZAK8MMRead 23 October 2026Amazon US listing: Recommended Uses For Product Office.

Office1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The maker sells it as a wireless keyboard for everyday work and comfort.

Sold asiParts fitted when sold. A complete keyboard includes switches and keycaps. Barebones includes neither.

Complete1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Sold as a finished keyboard with keys fitted. The box holds the keyboard, batteries and receiver.

Complete1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Sold complete with batteries and a Logi Bolt receiver.

Layout

5 of 12 differ

Form factoriLayout size or shape. A percentage describes the layout, not the number of keys.

96 % (1800)1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: compact form factor with a built-in numpad. RTINGS calls it a compact 96% keyboard.13Reviewrtings.com/keyboard/reviews/logitech/k780Read 23 October 2026Public header: Size Compact (96%).

Full size1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The page describes a full-size layout.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Full-size layout with function row, navigation block and number pad.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public featured result: size Full-size (100%).

Layout standardiPhysical key layout standards sold for this model. Regional language names are listed separately.

ANSI, ISO, JIS2Maker product pagelogitech.com/en-gb/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026English UK and German layouts are ISO. The International layout is not assigned a standard.7Maker product pagelogitech.com/ja-jp/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026A Japanese layout is JIS.

ANSI11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026The US photo shows a wide, flat Enter key and a long left Shift key, which is the ANSI layout. No ISO layout is confirmed by the maker, so only ANSI is stored.

Regional layouts

English US (QWERTY), English UK (QWERTY), German (QWERTZ), English International (QWERTY), Swiss (QWERTZ), Japanese (QWERTY), Korean (QWERTY), Chinese Zhuyin (QWERTY)2Maker product pagelogitech.com/en-gb/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Maker names on the page: English UK (QWERTY), German (QWERTZ), English International (QWERTY).3Maker product pagelogitech.com/en-eu/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Adds Swiss (QWERTZ).7Maker product pagelogitech.com/ja-jp/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Japanese (QWERTY) layout.8Maker product pagelogitech.com/ko-kr/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Korean (QWERTY) layout.9Maker product pagelogitech.com/zh-tw/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Chinese Zhuyin (QWERTY) layout.

English US (QWERTY), Hungarian (QWERTZ), English UK (QWERTY), Swiss (QWERTZ), Czech / Slovakian (QWERTZ), Belgian (AZERTY), English International (QWERTY), Spanish (QWERTY), Danish / Norwegian / Swedish / Finnish (QWERTY), French (AZERTY), Italian (QWERTY), German (QWERTZ)1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Layout names as the maker writes them. English US (QWERTY) is on the US store. The regional names are from the GB store.7Maker product pagelogitech.com/en-gb/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Layout names as the maker writes them.

Keys in regional layoutiPhysical typing and function keys in the stated regional layout. Separate media buttons, macro buttons and rotary controls are excluded. A Touch ID or Lock key in a key row counts, as on Apple keyboards.

Not available

10711Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Counted on the maker's top view of the US layout (gallery image k650-top-graphite-us.png). Counted 107 keys: 20 in the top row (Esc, F1 to F12, Connect, Settings, Print, Calculator, Show Desktop, Search and Screen Lock), 14 in the number row, 14 in the Tab row, 13 in the Caps Lock row, 12 in the Shift row, 7 in the bottom row, 4 arrow keys, 6 navigation keys (Insert, Home, Page Up, Delete, End and Page Down) and 17 on the number pad. The tall plus key and the tall enter key of the number pad are one key each. The six round media and volume buttons above the function row are not counted, as the field excludes separate media buttons. The business combo datasheet lists 118 keys for the US layout, which does not match the photo.

Key legends for

Windows, macOS10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Page 'Dual layout': dual-printed keys for Windows and Android and for Mac OS X and iOS.

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Support Getting Started page: dual printed keys. macOS legends on the left side of the keys and Windows legends on the right.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Multi-OS keyboard: macOS special characters on the left side of the keys and Windows special characters on the right. A Chrome layout adds a Launcher key legend on the Start key.

Numpad

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: built-in numpad.14Reviewpcworld.com/article/416366/logitech-k780-wireless-keyboard-review-one-fantastic-keyboard-for-your-computer-phone-and-tablet.htmlRead 23 October 2026Same sentence.

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Full-size layout with number pad.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Number pad on the right of the photo.

Function row

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Product photo shows a top row of function and hot keys. PCWorld confirms a complete set of function keys.14Reviewpcworld.com/article/416366/logitech-k780-wireless-keyboard-review-one-fantastic-keyboard-for-your-computer-phone-and-tablet.htmlRead 23 October 2026Review: full-size six row keyboard with a complete set of function keys and a number pad.

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026F1 to F12 sit on the top row as secondary functions, behind default shortcut functions.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Row of 12 function keys in the photo.

Dedicated arrow keys

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Product photo on the page shows four dedicated arrow keys.14Reviewpcworld.com/article/416366/logitech-k780-wireless-keyboard-review-one-fantastic-keyboard-for-your-computer-phone-and-tablet.htmlRead 23 October 2026Review: full-size six row keyboard with a complete set of keys.

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Four arrow keys in the inverted-T block.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Four arrow keys with the up key between left and right.

Navigation keysiAvailability of Home, End, Page Up and Page Down as dedicated keys or through an Fn layer.

Fn layer10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Shortcuts table: Home, End, Page up, Page down and Insert are fn key combinations.

Full1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Support Getting Started page and photo: Home, End, Page Up, Page Down and Delete are dedicated keys between the main block and the number pad.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026The keyboard overview lists home, end, page up and page down as keys of the nav block.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Home, End, Page Up and Page Down are dedicated keys.

Key stagger

Row-staggered1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Product photo on the page shows the standard row-staggered layout.

Row-staggered11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Row-staggered key rows in the photo.

Bottom row

Not available

Not available

Low profile

Not available

Not available

Switches

4 of 25 differ

Switch sensing technologyiKey sensing technology. Hall effect and TMR are different sensor types. A mixed board is identified explicitly. Magnetic switch housing alone does not identify the sensor.

Scissor13Reviewrtings.com/keyboard/reviews/logitech/k780Read 23 October 2026Public header: Switch Type Scissor. Locked test results are not used.

Membrane1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: a deep-cushioned membrane rubber-dome switch system. RTINGS also lists rubber dome.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public featured result: switch type Rubber Dome. Rubber dome keys are stored as membrane.

Switch feel

Not available

Not available

Switch maker

Not available

Not available

Switch models

Not available

Not available

Switch stem

Not available

Not available

Actuation forceiForce at the point where a key registers. Initial spring force is not actuation force. Adjustable switches require a stated actuation setting.

Not available

Not available

Bottom-out forceiForce at the end of the switch travel. It is not the initial spring force or the tactile peak.

Not available

Not available

Tactile bump forceiPeak force of the tactile bump. It is not the force at initial movement or at bottom-out.

Not available

Not available

Actuation pointiDistance before a key registers. For adjustable boards, the default profile or setting is stated in the source note.

Not available

Not available

Total travel

Not available

3.2mm2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Keyboard specifications: total travel distance 3.2 mm.

Rated keystrokes

10million1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications, Key Life: Up to 10 million keystrokes.

20million2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Durability: 10 million keypresses for function keys and 20 million for standard keys. 20 is stored for the standard keys. The business datasheet lists 5 million, which does not match the support spec.

Factory-lubed switches

Not available

Not available

Adjustable actuation

Not available

No12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public featured result: output type Non-Adjustable.

Actuation rangeiSelectable actuation distances. These are settings, not a measured usable travel range.

Not available

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

Per-key actuationiActuation can be configured individually for supported keys. The source note identifies any excluded keys.

Not available

Not available

Rapid trigger

Not available

Not available

Minimum rapid trigger movementiSmallest selectable movement used to reset or reactivate a key. This is a setting, not measured accuracy.

Not available

Not available

Multi-action keys

Not available

Not available

SOCD handling

Not available

Not available

Analog inputiCan send variable gamepad or joystick input. Magnetic sensing or adjustable actuation alone does not establish analog output.

Not available

Not available

Hot-swap socketsiSwitches can be replaced without soldering. Magnetic compatibility must be checked separately.

None13Reviewrtings.com/keyboard/reviews/logitech/k780Read 23 October 2026Public header: Hot-Swappable Switches No.

None12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public featured result: hot-swappable switches No.

Compatible switches

Not available

Not available

Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Not available

Keycaps

None of 5 known

Keycap material

Not available

Not available

Legend method

Not available

Not available

Keycap profile

Not available

Not available

Keycap thickness

Not available

Not available

Shine-through legendsiLight passes through the legends. Translucent keycap sides alone do not count.

Not available

Not available

Performance

None of 11 known

Polling rate per connectioniDocumented report rates for each connection. Required receivers or optional adapters are identified in the row and source note.

Not available

Not available

Max polling rate

Not available

Not available

Polling rate (wired)

Not available

Not available

Polling rate (2.4 GHz)

Not available

Not available

Polling rate (Bluetooth)

Not available

Not available

Scan rateiHow often the keyboard reads its switches. A USB report rate does not establish a scan rate.

Not available

Not available

Input latency (claimed)iMaker-published input or response latency with conditions in the source note. Do not calculate this from polling rate.

Not available

Not available

Key rollover per connectioniKeys registered simultaneously over the stated connection. Connection is omitted if the source does not specify it.

Not available

Not available

Anti-ghosting

Not available

Not available

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for one tested setup per row. Settings and test method are stated in the source note. Missing conditions are not inferred.

Not available

Not available

Actuation point (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total travel (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Operating force (measured)iReviewer-measured force at actuation. The switch and actuation setting are stated in the source note.

Not available

Not available

Typing noise (measured)iReviewer-measured A-weighted typing sound level. Measurement distance and conditions are stated in the source note.

Not available

Not available

Battery life (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iReviewer-measured keyboard weight without cable or wrist rest. The tested configuration is stated in the source note.

Not available

Not available

Connectivity

6 of 18 differ

Connections

2.4 GHz, Bluetooth1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications, Connection Type: Logitech Unifying protocol (2.4 GHz) and Bluetooth Smart technology.10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Setup guide: connect up to three devices via Bluetooth Smart or the pre-paired Unifying USB receiver.

2.4 GHz, Bluetooth1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Specs: Bluetooth Low Energy or the included Logi Bolt USB receiver. No cable.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Connection type: Bluetooth Low Energy and Logi Bolt receiver. Corded or wireless: wireless.14Reviewtomsguide.com/computing/peripherals/logitech-signature-k650-reviewRead 16 October 2026Spec table: Bluetooth 5.1 and a USB receiver.

Wireless technology

Logitech Unifying / Bluetooth Smart1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page names the Unifying USB receiver and Bluetooth Smart technology.

Logi Bolt1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Specs and feature text: Logi Bolt USB receiver.

Bluetooth

Not available

5.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Technical specifications: Bluetooth Low Energy Wireless (Bluetooth 5.1).14Reviewtomsguide.com/computing/peripherals/logitech-signature-k650-reviewRead 16 October 2026Spec table: Bluetooth 5.1 and a USB receiver.

Bluetooth device slots

Not available

11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: no, it is intended to be paired with one device at a time. RTINGS also says there is no Bluetooth multi-device pairing.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public cons: no Bluetooth multi-device pairing.

Devices it can switch betweeniDistinct device connections available for switching. Do not infer this by adding wireless modes or paired Bluetooth slots.

31Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: compatible with up to three devices, switch with Easy-Switch.

11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: paired with one device at a time, using either Bluetooth Low Energy or the Logi Bolt receiver. The support spec says the Connect key is not Easy-Switch.

Device switchingiControl used to switch between paired device hosts. Connection-mode and OS switches are described separately.

Keys1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: Easy-Switch buttons. Three white keys at the top left.10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Overview item 1: Easy-Switch keys. Hold one for 3 seconds to pair.

Not available

Receiver connector

USB-A1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Requirements: Logitech Unifying receiver needs an available USB port. Unifying receivers are USB-A.

USB-A9Maker spec sheet (PDF)logitech.com/content/dam/logitech/en/business/pdf/signature-mk650-combo-for-business-data-sheet.pdfRead 16 October 2026In the box of the same business combo: Logi Bolt USB receiver (USB-A). The Logitech support page on the Logi Bolt receiver says it uses USB 2.0 Type-A. The business combo sells the same keyboard and Bolt receiver.10Maker product pagesupport.logi.com/hc/en-us/articles/4404716599447-What-type-of-USB-does-the-Logi-Bolt-receiver-useRead 16 October 2026The Logi Bolt receiver uses USB 2.0 Type-A and USB-C. The K650 package includes the Type-A model, which the business datasheet names as USB-A.

Receiver storage in keyboard

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Setup guide: the receiver is stored in the keyboard under the battery door.10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Overview item 4: Battery door and receiver storage.

Yes3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Receiver compartment: if you are not using the Logi Bolt receiver, you can store it inside the keyboard. The compartment sits to the right of the batteries on the bottom side.

Receiver shared with other devices

Yes10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Setup: the keyboard can be paired again to the receiver in the box or to an existing Unifying receiver.

Yes12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public text: one Logi Bolt receiver can connect the keyboard and a compatible Logitech mouse. Measured results such as latency and typing noise sit behind the members paywall and are not used.

Wireless range

10m1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications: >33 ft / 10 m wireless range. Stored as 10 with the greater-than sign dropped. It may vary with the environment.16Reviewchoice.com.au/electronics-and-technology/computers/computer-accessories/articles/logitech-k780-multi-device-keyboard-reviewRead 23 October 2026Review: range about 10 m, batteries 24 months, says Logitech.

10m1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Technical specifications: 33 ft (10 m). Range varies with user, environment and computing conditions.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Wireless range: 10 m.

Detachable cable

Not available

Not available

Port on keyboard

None1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications list no USB or charging port. Power is two AAA batteries. The setup guide overview lists no port.

None1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026No port on the keyboard. The only power source is 2 AA batteries and no cable is listed.

Cable plug

Not available

Not available

Cable

Not available

Not available

Cable length

Not available

Not available

USB passthrough

Not available

Not available

Works withiSystems on which the keyboard works. Configuration software may have narrower system support.

Windows, macOS, ChromeOS, Android, iOS, iPadOS1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: Windows, ChromeOS, macOS, Android, iOS and iPadOS. Requirements list Windows, macOS 10.14 or 10.15 or later, ChromeOS, iOS 11, iPadOS 13.4 and Android 7 or later.

Windows, macOS, Linux, ChromeOS, iOS, iPadOS, Android1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Feature text: Windows, macOS, Linux, iPadOS, iOS and Android. Also Works With Chromebook. The support spec lists the minimum versions.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026System requirements: Windows 10 and 11 or later, macOS 10.15 or later, Linux, Chrome OS, iPadOS 14 or later, iOS 14 or later and Android 8.0 or later.

Consoles

Not available

Not available

Battery

4 of 16 differ

Battery type

AAA1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications: Battery: 2 x AAA (included).

AA1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Spec: 2 AA batteries, pre-installed. The FAQ on the same page says AAA, which conflicts with the spec table, the in-the-box list and the support spec. AA is used. Tom's Guide and TechRadar also say AA.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Battery: 2 x AA batteries.14Reviewtomsguide.com/computing/peripherals/logitech-signature-k650-reviewRead 16 October 2026Spec table: battery 2 x AA (included).

Number of batteriesiNumber of replaceable AA or AAA cells required. Internal rechargeable battery packs are not counted here.

21Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications: 2 x AAA (included).

21Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026In the box and the support spec: 2 AA batteries.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Battery: 2 x AA batteries.

Battery capacity

Not available

Not available

User-replaceable battery

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Package contents list AAA batteries that sit under a battery door. The setup guide shows the battery door.

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: not rechargeable and runs on standard batteries. The support spec says the battery is user replaceable.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Battery user replaceable: yes. The row label says rechargeable, but the keyboard is not rechargeable.

Battery life per mode (claimed)iMaker estimates. Store one published native duration unit per row: hours, days or months. Days and months describe calendar use including idle time, not continuous runtime. Do not convert calendar estimates into hours. Connection, lighting and polling rate are included only when published. Brightness, workload, screen status, sleep settings and up-to qualifiers go in the source note.

ALogitech K780 Multi-Device Wireless Keyboard

Lighting	Months
Off	24

Source1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page key features: up to 24 months of battery life. The Technical Specifications row on the same page says Battery 18 months, with the note that life may vary by user and computing. The 24 month up-to claim matches the 2016 press release and is stored. No backlight, so the row is lighting off.11Press releasenews.logitech.com/press-releases/news-details/2016/Logitech-K780-Multi-Device-One-Keyboard-for-Any-Device/default.aspxRead 23 October 2026Press release: up to 24 months of battery life with a power-saving idle mode and an on/off switch.

BLogitech Signature K650 Wireless Keyboard with Palm-rest

Lighting	Months
Off	36

Source1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Battery life: 36 months. Battery life may vary with use and computing conditions. Stored as calendar months with lighting off, since there is no backlight. No hours or polling rate are published.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Battery: 36 month battery life.

Longest battery life (claimed)iLongest maker estimate published in hours across the listed modes. Rows published in days or months do not contribute. Conditions can differ between products.

Not available

Not available

Battery life, lighting offiLongest maker estimate published in hours with lighting off. Calendar-day and calendar-month estimates are not converted and do not contribute.

Not available

Not available

Battery life, lighting oniLongest maker estimate published in hours with lighting enabled. Calendar-day and calendar-month estimates are not converted and do not contribute. Brightness and display conditions are stated in the source note.

Not available

Not available

Battery life, backlight on (claimed)iLongest maker up-to estimate published in calendar days with backlighting enabled. Includes idle time and the source-defined usage pattern, not continuous runtime. Brightness, workload, connection and sleep conditions remain in the table and source note. Hours and months are not converted.

Not available

Not available

Battery life, backlight off (claimed)iLongest maker up-to estimate published in calendar months with backlighting off. Includes idle time and the source-defined usage pattern, not continuous runtime. Workload, connection and sleep conditions remain in the table and source note. Hours and days are not converted.

24months=CalculatedFrom Battery life per mode (claimed)

36months=CalculatedFrom Battery life per mode (claimed)

Charging port

None1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Same. The keyboard has no rechargeable battery and no charging port.

None1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: it is not rechargeable and has no USB-C port for charging.

Full charge timeiPublished time for a full charge. Approximate times remain qualified in the source note.

Not available

Not available

Quick charge

Not available

Not available

Use while charging

Not available

Not available

Solar charging

Not available

Not available

Battery indicator

LED, Software1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications, Indicator Lights: 3 Bluetooth channel LEDs and a battery indicator light. Page: Logi Options+ can check the battery level.

LED1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Indicator lights: Caps Lock, Connect key and Battery Status.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Spec page and Getting Started page: Battery Status LED, green from 100 to 6 percent and red from 5 percent.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Battery status LED (green or red). It is red from 5 percent and below.

Build

3 of 8 differ

Case material

Not available

Plastic with certified post-consumer recycled plastic1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Sustainability panel: certified post-consumer recycled plastic in the plastic parts, 21 percent for the Off-white keyboard. The blog post says 28 percent for Graphite. The plastic type is not stated.

Plate material

Not available

Not available

Mount style

Not available

Not available

Flex cuts in PCB

Not available

Not available

Sound dampeningiDampening layers the maker or a review names. Foam whose position in the stack is not stated is foam. Films, pads and silicone parts that fit no other option are other.

Not available

Not available

Typing anglesiKeyboard slope for each supported foot position, starting with the lowest. An adjustable-foot count does not establish angles. When the maker publishes only the angle with the feet out, that angle is stored alone.

Not available

4°, 8°9Maker spec sheet (PDF)logitech.com/content/dam/logitech/en/business/pdf/signature-mk650-combo-for-business-data-sheet.pdfRead 16 October 2026Datasheet of the Signature MK650 combo for business: the Signature K650 for Business keyboard has tilt legs with angles of +4 and +8 degrees. That keyboard has the same size, 193.5 x 457.3 x 24 mm, and weight, 700.23 g, as the K650. The consumer K650 pages do not publish tilt angles. RTINGS confirms that the K650 has incline settings. The flat angle is not stated and is not stored.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public text: the built-in palm rest and incline settings keep you comfortable. No angle is given.

Spill resistant

Not available

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Description: spill-resistant, easy-to-clean design. The archived launch page and the FAQ give up to 60 ml.5Maker product pageweb.archive.org/web/20220829210844/https://www.logitech.com/en-us/products/keyboards/k650-signature-wireless-keyboard.htmlRead 16 October 2026Footnote: spill-resistant up to 60 ml.13Reviewtechradar.com/reviews/logitech-signature-k650Read 16 October 2026Review: spill-resistant.

IP rating

Not available

Not available

Lighting

0 of 7 differ

Backlight

None13Reviewrtings.com/keyboard/reviews/logitech/k780Read 23 October 2026Review text: it lacks backlighting.

None1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026FAQ: no backlighting.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Backlighting: no.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026No backlight is listed and the photo shows no lighting.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public cons: no backlighting.

LED position

Not available

Not available

Lighting zones

Not available

Not available

Brightness levelsiSelectable onboard brightness steps. The source note states whether the off position is included.

Not available

Not available

Side or underglow lighting

Not available

Not available

Lighting sensors

Not available

Not available

Lighting sync

Not available

Not available

Controls

3 of 12 differ

Media keysiPlayback controlled by separate buttons, an Fn layer or a multifunction knob/rocker. Volume controls are listed separately, and knob presses are excluded from the separate media-button count.

Dedicated10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Hot keys and media keys table: previous track, play/pause, next track, mute, volume down and volume up sit on the top row keys.

Dedicated1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The photo and the support Getting Started page show a row of round buttons above the function row for playback and volume.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Special keys list: dictation, emoji, snipping tool, mute mic, browser back, refresh, new tab, close tab, Connect key, settings and print.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026The Hot Keys table lists previous track, play or pause, next track, mute, volume down and volume up as keys with no secondary function. The F-row keys are shortcuts by default and Fn plus Esc swaps them with F-keys.

Separate media buttonsiSeparate physical buttons for playback or mute, counted once each. Fn shortcuts, macro buttons, knob presses and roller presses are excluded.

410Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Counts previous track, play/pause, next track and mute. Volume up and down are stored under volume control.

43Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Hot Keys table lists six round hot keys. Four are for playback or mute: previous track, play or pause, next track and mute. Volume down and volume up are counted as volume keys. The photo shows them as six round buttons above the function row.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026Six round buttons above the function row, grouped as three for playback and three for sound. Four count here: previous track, play or pause, next track and mute.

Volume control

Keys10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Hot keys table: volume down and volume up keys on the top row.

Keys1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026The same round buttons include volume down and volume up.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Hot Keys table: mute sound, volume down and volume up.

Knobs

Not available

Not available

Programmable knob

Not available

Not available

Knob press

Not available

Not available

Separate macro keysiSeparate physical keys or buttons intended for macros. Excludes ordinary remappable keys, media buttons and a dedicated software-launch button.

Not available

03Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026No separate macro keys are listed in the overview or the key tables.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026No separate macro keys in the photo.

Built-in screen

Not available

None1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026No built-in screen in the maker photo or in the specs.

Touchpad

Not available

No1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026No touchpad in the maker photo or in the specs.11Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboardRead 16 October 2026No touchpad in the photo.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public cons: no trackpad for on-screen navigation.

Fingerprint reader

Not available

Not available

OS mode switch

Key combination10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026Dual layout: hold fn + i for iOS, fn + o for Mac OS X or fn + p for Windows for 3 seconds. Bluetooth Smart connections detect the OS.

Key combination1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Support Getting Started page: hold Fn plus P for Windows, Fn plus O for macOS or Fn plus C for ChromeOS for three seconds.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Step 4 of the Logi Bolt pairing: long-press for 3 seconds Fn plus P for Windows, Fn plus O for macOS or Fn plus C for Chrome OS. Windows is the default.

Windows key lock

Not available

Not available

Software

2 of 10 differ

Software

Logi Options+1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: Logi Options+. Technical Specifications: supported by Logi Options+ on Windows and macOS.

Logi Options+1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Customization app: Logi Options+, supported on Windows and macOS.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Software support at release: Logitech Options+.

Software runs on

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications: Logi Options+ on Windows and macOS.

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Supported by Logi Options+ on Windows and macOS.3Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026Logitech Options+ download. Logitech lists Windows and macOS.

Open firmware

Not available

Not available

Onboard memory

Not available

Not available

Onboard profilesiProfiles stored on the keyboard, including fixed defaults when the maker counts them. Software-only profiles are excluded.

Not available

Not available

Macros

Not available

No1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026RTINGS: no macro-programmability. Logitech lists no macro feature.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public cons: no macro-programmability.

Macros stored onboardiRecorded command sequences run from keyboard storage without the configuration app. Onboard lighting or remapping alone does not establish this.

Not available

Not available

Key remapping

Yes1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page: Logi Options+ lets you customize keys and create hotkey shortcuts.

Yes1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Logi Options+ is used to customize key shortcuts. The datasheet says it enables custom key assignment.

LayersiTotal key mapping layers including the base layer. Lighting effect layers and profile slots are excluded.

Not available

Not available

User firmware updates

Not available

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Apps available at release: Logitech Options+, Pairing App and DFU App. DFU is the maker's device firmware update app.

Ergonomics

1 of 4 differ

Wrist rest

None15Reviewthe-gadgeteer.com/2016/10/02/logitech-k780-multi-device-keyboard-reviewRead 23 October 2026Review describes a rubber device tray along the back edge and no wrist rest.

Integrated1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Integrated soft-touch palm rest. RTINGS says it cannot be removed.12Reviewrtings.com/keyboard/reviews/logitech/signature-k650Read 16 October 2026Public text: built-in palm rest.

Wrist rest material

Not available

Not available

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

6 of 6 differ

DimensionsiKeyboard body dimensions with fitted keycaps, without wrist rest and with feet folded. Any different measurement condition is stated in the source note. Width is the longest side, depth runs front to back and height is the thickness. Map by size when the maker's labels differ.

Width380Depth158Height22Front height8mm(15 × 6.2 × 0.9 × 0.3 in)1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Dimensions: height 158 mm and width 380 mm, depth 8 mm at the front and 22 mm at the back. The page calls the 158 mm side Height. It is the front to back depth.

Not available

Dimensions with wrist rest

Not available

Width457.3Depth193.5Height24mm(18 × 7.6 × 0.9 in)1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Dimensions row for the keyboard without receiver and with 2 AA batteries: width 457.3 mm, height 193.5 mm and depth 24 mm. The labels are rotated. The long side is the width, 193.5 mm is front to back and 24 mm is the thickness. The palm rest is integrated, so these are the dimensions with the palm rest. The state of the feet is not stated.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Keyboard row: 457.3 mm, 193.50 mm and 24 mm, labelled height, width and depth. Weight is 700.23 g without receiver and with 2 AA alkaline batteries.13Reviewtechradar.com/reviews/logitech-signature-k650Read 16 October 2026Review: 193.5 x 457.3 x 24 mm, matching the maker.

Keyboard weightiKeyboard without cable or wrist rest. Weights that include accessories cannot be stored here. A cable that cannot be removed is included. Replaceable batteries are included, as built-in batteries are.

875g(1.9 lb)1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Dimensions: weight 875 g. The page does not say if the batteries are counted.12Press articlemobiflip.de/logitech-k780-multi-device-wireless/ampRead 23 October 2026The article gives 875 g and a 24 month battery life.14Reviewpcworld.com/article/416366/logitech-k780-wireless-keyboard-review-one-fantastic-keyboard-for-your-computer-phone-and-tablet.htmlRead 23 October 2026Review: about 1.9 pounds (875 grams).

Not available

Weight including wrist restiKeyboard plus supplied wrist rest, excluding packaging. The source note identifies any included cable.

Not available

700.23g(1.5 lb)1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Weight 700.23 g without receiver and with 2 AA alkaline batteries. The palm rest is integrated.2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Keyboard row: 700.23 g without receiver and with 2 AA alkaline batteries.13Reviewtechradar.com/reviews/logitech-signature-k650Read 16 October 2026Review: about 700 g, matching the maker.

Box dimensions

Not available

Width468Height203Depth32mm(18.4 × 8 × 1.3 in)2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Retail and online box: 468 mm, 203 mm and 32 mm, labelled height, width and depth. The long side of the box fits the 457 mm keyboard, so 468 mm is stored as the width, 203 mm as the height and 32 mm as the depth.

Box weightiOne retail package including its contents. A multi-unit shipping carton weight is excluded.

Not available

1,090g(2.4 lb)2Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026Retail and online box: 1090 g (38.45 oz), with the keyboard.

Certifications

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Platform certifications

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Works With Chromebook1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Works With Chromebook badge. Certified to meet Google compatibility standards.

Other certifications

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In the box

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In the box

Keyboard, 2 AAA batteries (pre-installed), Logitech Unifying receiver, User documentation1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026In the Box: keyboard, 2 AAA batteries (pre-installed), Logitech Unifying receiver, user documentation.15Reviewthe-gadgeteer.com/2016/10/02/logitech-k780-multi-device-keyboard-reviewRead 23 October 2026Review box list: keyboard, 2 AAA batteries (pre-installed), USB receiver, user documentation.

Signature K650 Wireless Comfort Keyboard, 2 AA batteries (pre-installed), Logi Bolt USB Receiver, User documentation1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026Package contents: Signature K650 Wireless Comfort Keyboard, 2 AA batteries (pre-installed), Logi Bolt USB Receiver and user documentation.

Cables included

Not available

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Spare switches

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Links

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Product page

www.logitech.com/en-us/shop/p/k780-multi-device-wireless-keyboard1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Read with curl on 23 October 2026.

www.logitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-0109621Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026

Spec sheet

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support.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K6502Maker product pagesupport.logi.com/hc/en-us/articles/5124434379799-Specification-SIGNATURE-K650Read 16 October 2026

Manual

www.logitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdf10Owner's manuallogitech.com/content/dam/logitech/en/support/qsg/k780-wireless-keyboard/k780-online-setup-guide.pdfRead 23 October 2026

support.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K6503Owner's manualsupport.logi.com/hc/en-001/articles/5124495316631-Getting-Started-SIGNATURE-K650Read 16 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Page data: 1-Year Limited Hardware Warranty. The page does not name a market.

1year1Maker product pagelogitech.com/en-us/shop/p/k650-signature-wireless-keyboard.920-010962Read 16 October 2026US store: 1-Year Limited Hardware Warranty.

Both are also in the API. Back to all keyboards.