Keyboards / Compare

Logitech K400 Plus Wireless Touch Keyboard vs Logitech K780 Multi-Device Wireless Keyboard

A

Product A: Logitech

K400 Plus Wireless Touch Keyboard

56 of 164 known

Change Logitech K400 Plus Wireless Touch Keyboard

Compare the Logitech K780 Multi-Device Wireless Keyboard with

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B

Product B: Logitech

K780 Multi-Device Wireless Keyboard

53 of 164 known

Change Logitech K780 Multi-Device Wireless Keyboard

Compare the Logitech K400 Plus Wireless Touch Keyboard with

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech K400 Plus Wireless Touch Keyboard

BLogitech K780 Multi-Device Wireless Keyboard

General

7 of 9 differ

Series

Not available

Not available

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

Y-R0055, 920-007119, 920-007145, 920-007143, 920-007144, 920-007157, 920-007141, 920-007131, 920-007151, 920-007129, 920-007127, 920-007135, 920-007137, 920-007133, 920-0071391Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026The US page sells 920-007119, Black, English International (QWERTY). The page gallery uses a layout photo with pound and euro legends. Y-R0055 is the keyboard model number from the support specification.2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Keyboard model number Y-R0055, inside the battery compartment. Receiver C-U0007 or C-U0008.3Maker product pagelogitech.com/en-gb/shop/p/k400-plus-touchpad-keyboardRead 10 October 2026Part numbers of the regional SKUs on the GB and US store pages.

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.

GTIN / EAN

0978551153006Retailer pageelectronicexpress.com/catalog/206917/logitech-920-007119-k400-plus-wireless-touch-keyboardRead 10 October 2026Retailer page for manufacturer part 920-007119 lists UPC 097855115300.

Not available

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

10 June 20157Press releasenews.logitech.com/press-releases/news-details/2015/Logitech-Simplifies-Connecting-Your-PC-to-Your-TV-with-New-Living-Room-Keyboard/default.aspxRead 10 October 2026Press release dated 10 June 2015.

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.

Status

Not available

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.

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.

$39.997Press releasenews.logitech.com/press-releases/news-details/2015/Logitech-Simplifies-Connecting-Your-PC-to-Your-TV-with-New-Living-Room-Keyboard/default.aspxRead 10 October 2026Suggested retail price $39.99 for the US.

$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.

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.

Not available

€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.

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

Not available

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.

ColoursiThe maker's own colour names

Black, White1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Black on the US page. The GB page also lists White for the UK layout.3Maker product pagelogitech.com/en-gb/shop/p/k400-plus-touchpad-keyboardRead 10 October 2026White is offered for the UK layout only.

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.

Segment

Not available

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

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

Complete1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Sold with its receiver and batteries as a complete keyboard.

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.

Layout

7 of 12 differ

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

Other1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Compact keyboard with a function row, no number pad, no navigation column and a touchpad on the right. None of the size options fits, so other is stored.

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%).

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

ISO4Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026The photo shows a tall ISO Enter key, a key left of Z and a hash key. Only the International and UK layouts are covered by this photo. The other language layouts are not given a standard.

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.

Regional layouts

English International (QWERTY), English UK (QWERTY), Hungarian (QWERTZ), Danish / Norwegian / Swedish / Finnish (QWERTY), Belgian (AZERTY), Czech / Slovakian (QWERTZ), French (AZERTY), German (QWERTZ), Italian (QWERTY), Spanish (QWERTY), Swiss (QWERTZ), Portuguese (QWERTY)3Maker product pagelogitech.com/en-gb/shop/p/k400-plus-touchpad-keyboardRead 10 October 2026Layout names as the maker writes them.

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.

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.

804Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026Maker gallery photo of the English International layout, also used for the UK layout. Counted 80 keys: 15 in the top row (Esc, F1 to F12, Ins, Del), then 14, 14, 13, 13 and 11. The three volume and mute buttons, the power switch, the touchpad buttons and the yellow button are not counted.

Not available

Key legends for

Windows1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026The maker photo shows a Windows logo key.

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.

Numpad

No1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026No number pad in the maker photo. A touchpad sits on the right.

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.

Function row

Yes1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026F1 to F12 printed on the top row in the maker photo.5Maker product pagesupport.logi.com/hc/en-gb/articles/360023264334-Shortcut-and-function-keys-on-the-K400-Plus-keyboardRead 10 October 2026F1 to F12 are reached with Fn. The keys are the top row shortcut keys.

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.

Dedicated arrow keys

Yes1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Arrow keys in the bottom row of the maker photo, shared with the Home, Page Up, Page Down and End legends.

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.

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

Fn layer5Maker product pagesupport.logi.com/hc/en-gb/articles/360023264334-Shortcut-and-function-keys-on-the-K400-Plus-keyboardRead 10 October 2026Shortcut table: Fn plus left arrow is Home, Fn plus right arrow is End, Fn plus up arrow is Page Up and Fn plus down arrow is Page Down.

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.

Key stagger

Row-staggered1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Standard row-staggered layout in the maker photo.

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.

Bottom row

Not available

Not available

Low profile

Yes8Reviewtechtactician.com/logitech-k400-plus-trackpad-keyboard-hands-on-reviewRead 10 October 2026Hands-on review text: low-profile membrane switches with pretty deep key travel.

Not available

Switches

2 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.

Membrane8Reviewtechtactician.com/logitech-k400-plus-trackpad-keyboard-hands-on-reviewRead 10 October 2026Hands-on review text: low-profile membrane switches.

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

Switch feel

Not available

Not available

Switch maker

Not available

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Switch models

Not available

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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

Not available

Rated keystrokes

5million1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Key Life: up to 5 million 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.

Factory-lubed switches

Not available

Not available

Adjustable actuation

Not available

Not available

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

Not available

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Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

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

Not available

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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.

None4Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026Membrane keys on a closed body, see switch_technology. Neither the maker photo nor the specification describes switch replacement.

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

Compatible switches

Not available

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Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Not available

Keycaps

1 of 5 differ

Keycap material

ABS9Reviewrtings.com/keyboard/reviews/logitech/k400-plusRead 10 October 2026Public review summary says the ABS keycaps feel slippery. Only the public text is used. The page returned no readable body to the fetch tool, so the text comes from the search excerpt of the review.

Not available

Legend method

Not available

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Keycap profile

Not available

Not available

Keycap thickness

Not available

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

Not available

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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

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Polling rate (wired)

Not available

Not available

Polling rate (2.4 GHz)

Not available

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Polling rate (Bluetooth)

Not available

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

Not available

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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

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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

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Connectivity

7 of 18 differ

Connections

2.4 GHz1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Connection type: Logitech Unifying protocol (2.4 GHz). No Bluetooth and no cable.2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Connection type: Logitech Unifying protocol (2.4 GHz).

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.

Wireless technology

Logitech Unifying1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Maker text: plug-and-play USB Unifying receiver.

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.

Bluetooth

Not available

Not available

Bluetooth device slots

Not available

Not available

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

Not available

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.

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

Not available

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.

Receiver connector

USB-A2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Required accessory: USB Unifying receiver, USB 2.0 full speed. The receiver is 18.7 x 14.4 x 6.1 mm. The plug type is not named. A Unifying receiver is a USB Type-A plug.

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.

Receiver storage in keyboard

Not available

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.

Receiver shared with other devices

Yes11Maker product pagelogitech.com/en-us/resource-center/what-is-unifying.htmlRead 21 October 2026Logitech text: connect up to six Logitech Unifying wireless mice or keyboards to one Unifying USB receiver. The K400 Plus page names the connection as the USB Unifying receiver.

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.

Wireless range

10m1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Wireless range: more than 33 ft (10 m). Page text says up to 33 ft (10 meters). Range may vary with user, environmental and computing conditions.

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.

Detachable cable

Not available

Not available

Port on keyboard

None2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Technical table: power is replaceable batteries and the connection is the Unifying receiver. It lists no keyboard port and no charging port (battery life not rechargeable).

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.

Cable plug

Not available

Not available

Cable

Not available

Not available

Cable length

Not available

Not available

USB passthrough

No4Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026No USB port in the maker photo. The technical specification lists the Unifying receiver as the only connection and two AA batteries as power.

Not available

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

Windows, ChromeOS, Android1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026US page: Windows 7, Windows 8, Windows 10 and later, Android 7 or later and Chrome OS. The support specification says Android 5.0 or higher. Android version is not stored.

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.

Consoles

Not available

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Battery

4 of 16 differ

Battery type

AA1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Battery: 2 x AA (included).

AAA1Maker product pagelogitech.com/en-us/shop/p/k780-multi-device-wireless-keyboardRead 23 October 2026Technical Specifications: Battery: 2 x AAA (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/k400-plus-touchpad-keyboardRead 21 October 2026Battery: 2 x AA (included).

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

Battery capacity

Not available

Not available

User-replaceable battery

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Power type: replaceable.

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.

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 K400 Plus Wireless Touch Keyboard

Lighting	Months
Off	18

Source1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Battery: 18 months. Battery life may vary based on user and computing. Stored as 18 months of calendar use. No polling rate or hours are published. The keyboard has no backlight, so lighting is stored as off.2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Battery life (not rechargeable): up to 18 months.

BLogitech 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.

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.

18months=CalculatedFrom Battery life per mode (claimed)

24months=CalculatedFrom Battery life per mode (claimed)

Charging port

None2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Battery life (not rechargeable).

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.

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

Not available

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.

Build

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Case material

Plastic. The black plastic parts contain 60% certified post-consumer recycled material1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Materials and Sustainability panel: the plastic parts include certified post-consumer recycled plastic. Black plastics: 60% of recycled material. The figure excludes packaging, printed wiring assembly, FFC cable and touchpad. The polymer grade is not stated. The black keyboard of the US page is the one described.13Retailer pagebhphotovideo.com/c/product/1357323-REG/logitech_920007119_k400_plus_wireless_touch.htmlRead 21 October 2026Specs tab for MFR 920-007119, General row Material of Construction: Plastic. The same page lists package weight 1.15 lb and box 15.15 x 6.15 x 1.25 in, which conflicts with another retailer's 465 g and 370 x 153 x 31 mm for the same SKU, so no package size or weight is stored.

Not available

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

Not available

Spill resistant

Yes1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Key features text: the spill-resistant design and durable keys. Footnote: tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse keyboard in liquid.

Not available

IP rating

Not available

Not available

Lighting

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Backlight

None2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Backlighting: n/a.

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

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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.

Dedicated1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Special keys: Mute, Volume Down, Volume Up. The top row F10 to F12 also work as previous, play and next by default.5Maker product pagesupport.logi.com/hc/en-gb/articles/360023264334-Shortcut-and-function-keys-on-the-K400-Plus-keyboardRead 10 October 2026The top row keys carry Back, Home, Switch application, Menu, Search, Show or hide desktop, Maximize window, Switch screen, Previous track, Play or Pause and Next track by default. Fn is held to reach F1 to F12. Mute, Volume down and Volume up are listed as separate keys.

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.

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

11Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026One physical mute button. The two volume buttons are counted in the volume control field.

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.

Volume control

Keys1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Special keys: Volume Down and Volume Up buttons next to the touchpad.

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.

Knobs

04Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026No knob, roller or dial in the maker photo.

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.

01Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026No separate macro keys in the maker photo. The yellow button is a second left click button.

Not available

Built-in screen

None2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026LCD display: n/a. Indicator lights: n/a.

Not available

Touchpad

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Other features: 3.5 inch multi finger touchpad.

Not available

Fingerprint reader

No4Maker product pageresource.logitech.com/content/dam/logitech/en/products/keyboards/k400-plus/gallery/k400-plus-black-gallery-1-uk.pngRead 21 October 2026No fingerprint sensor in the maker photo.

Not available

OS mode switch

Not available

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.

Windows key lock

Not available

Not available

Software

2 of 10 differ

Software

Logitech Options1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Optional software: Logitech Options. Logitech now recommends Logi Options+.

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.

Software runs on

Not available

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

Not available

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

Yes10Maker product pagesupport.logi.com/hc/en-us/articles/360023424013-Customize-K400-Plus-keyboard-function-keysRead 21 October 2026Logitech support article: only the F1 to F9 and Insert keys can be customized in Logitech Options. A key can launch an application or send a keystroke combination. Other keys are not remappable. Logitech Options has reached end of support and Logitech recommends Logi Options+.

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.

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

Not available

Ergonomics

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Wrist rest

None1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026No wrist rest in the box list.

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.

Wrist rest material

Not available

Not available

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

2 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.

Width354.3Depth139.9Height23mm(13.9 × 5.5 × 0.9 in)2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Technical table: keyboard height 23.0 mm, length 354.3 mm, depth 139.9 mm. The table labels length as the long side and depth as the front to back size. The US store page says 23.5 mm for the thickness.

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.

Dimensions with wrist rest

Not available

Not available

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.

380g(13.4 oz)2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026Technical table: keyboard 380.0 g. The US store page says 390 g. The technical table is used. Neither source says whether the batteries are included.

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).

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

Not available

Not available

Box dimensions

Not available

Not available

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

Not available

Not available

Certifications

1 of 2 differ

Platform certifications

Not available

Not available

Other certifications

FCC ID JNZYR0055 (keyboard)12Regulatory filingfccid.io/JNZYR0055Read 21 October 2026Mirror of the FCC equipment authorization: FCC ID JNZYR0055, model YR0055, 2.4GHz Cordless Keyboard, grantee Logitech Far East Ltd, 2405 to 2474 MHz, original grant 2015-03-12. The support specification names Y-R0055 as the keyboard model number. The receiver has its own model numbers and is not covered.

Not available

In the box

1 of 3 differ

In the box

Keyboard, Logitech Unifying receiver, 2 AA batteries (pre-installed), User documentation1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026Package contents list of the page: Keyboard, Logitech Unifying receiver, 2 AA batteries (pre-installed), User documentation.

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.

Cables included

Not available

Not available

Spare switches

Not available

Not available

Links

Not compared

Product page

www.logitech.com/en-us/shop/p/k400-plus-touchpad-keyboard1Maker product pagelogitech.com/en-us/shop/p/k400-plus-touchpad-keyboardRead 21 October 2026

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.

Spec sheet

support.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-Specifications2Maker product pagesupport.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-SpecificationsRead 21 October 2026

Not available

Manual

Not available

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

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

Not available

Warranty

0 of 1 differ

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/k400-plus-touchpad-keyboardRead 21 October 2026US page: 1-Year Limited Hardware Warranty. The GB page states 2 years.

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.

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