Keyboards / Compare

Logitech Pebble Keys 2 K380s vs Razer BlackWidow V4 75%

A

Product A: Logitech

Pebble Keys 2 K380s

75 of 164 known

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B

Product B: Razer

BlackWidow V4 75%

78 of 164 known

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech Pebble Keys 2 K380s

BRazer BlackWidow V4 75%

General

6 of 9 differ

Series

Pebble1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

BlackWidow1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

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

920-011775, Y-R00911Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Exact current US payload maps Tonal Graphite / English US (QWERTY) to 920-011775. This reference excludes the separately sold Mac edition, Pebble 2 mouse/keyboard Combo, original K380 and other regional layouts. No cosmetic variant rows are added.3Maker product pagesupport.logi.com/hc/en-us/articles/16170852473751-Specification-Pebble-Keys-2-K380sRead 8 October 2026Exact Pebble Keys 2 K380s Product Information names keyboard hardware Y-R0091. SKU 920-011775 is separately proven in current US consumer payload. Original K380 Y-R0056 is not transferred.

RZ03-05000200-R3U11Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Reference is exact Black US SKU fitted with Orange Gen-3 tactile switches.

GTIN / EAN

0978551863624Maker spec sheet (PDF)doi-product-assets.s3.amazonaws.com/pub/Manufacturer-Brochure/1077936591.pdfRead 8 October 2026Page 2 exact Tonal Graphite single-unit UPC 097855186362 for 920-011775. Outer-case 10097855186369 and other colour/regional barcodes are excluded.

Not available

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

6 September 20237Press releaselogitech.com/blog/2023/09/06/make-your-statement-with-logitechs-pebble-2-collectionRead 8 October 2026Manufacturer-authored announcement published September 6, 2023 explicitly introduces new Pebble Keys 2 K380s and says the collection is available now. Mouse/keyboard Combo and dedicated Mac Combo are separately identified.

17 August 20235Press releaserazer.com/newsroom/product-news/introducing-the-razer-blackwidow-v4-75-the-pinnacle-of-customizable-keyboardsRead 5 October 2026

Status

Available1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current exact US reference is offered for purchase and its public model offer is InStock on the access date. This is not a stock promise in every region.

Not available

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

Logitech K380 Multi-Device Bluetooth Keyboard1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Maker current FAQ explicitly compares K380s hardware updates with original K380. Original K380 is the existing separate predecessor record, not an alias or shared radio revision.

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.

Not available

$189.995Press releaserazer.com/newsroom/product-news/introducing-the-razer-blackwidow-v4-75-the-pinnacle-of-customizable-keyboardsRead 5 October 2026Maker launch Price and availability section. Exact Black complete keyboard, USD MSRP before sales tax. EUR MSRP omitted because VAT treatment was not confirmed.

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

Not available

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

US1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

ColoursiThe maker's own colour names

Tonal Graphite1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Stored colour describes the exact selected US Tonal Graphite reference. The current maker also lists Tonal White and Tonal Rose US options, which are outside this reference SKU scope.

Black1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Segment

Not available

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

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

Complete1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Layout

5 of 12 differ

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

75 %6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact tested K380s table categorises available size 75%. Maker itself calls the reference compact/minimalist, without a percentage. This is the named reviewer size classification, not a percentage calculated from key count.

75 %1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

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

ANSI1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Exact US reference photograph has horizontal Enter, long left Shift and standard ANSI geometry. ISO/JIS/other regional counts are not transferred.

ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026US model reference in complete keyboard layout drawing has rectangular Enter and ANSI left Shift geometry.

Regional layouts

English US (QWERTY)1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Maker selected US layout. Other regional key counts are not transferred.

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.

791Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Counted on exact current US manufacturer top-view photograph: rows 15+14+14+13+12+11=79. Shared F-row shortcuts/Easy-Switch keys count once as ordinary function keys. No separate macro/media controls are counted.

812Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Counted on the complete US ANSI keyboard layout drawing. Rows have 13, 15, 15, 14, 14 and 10 typing/function keys, total 81. The 2 separate media buttons and roller are excluded.

Key legends for

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Complete physical key drawing has Windows legends.

Numpad

No1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

No2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Complete exact-model layout drawing and maker form-factor description.

Function row

Yes1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Dedicated arrow keys

Yes1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

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

Fn layer2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Original exact shortcut table: Fn+left/right arrows Home/End and Fn+up/down PageUp/PageDown. Dedicated Delete/Insert are present, but the four Home/End/Page navigation actions are in Fn layer.

Compact2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 202675% drawing has a compact right-edge navigation column. Full-size drawing has the full six-key navigation block.

Key stagger

Row-staggered1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Complete exact-model layout drawing shows staggered alphanumeric rows.

Bottom row

Not available

Not available

Low profile

Yes1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Maker classification identifies Standard Height rather than low-profile construction.

Switches

14 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.

Scissor1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Switch feel

Tactile6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact force-displacement testing discussion identifies a tactile bump near 0.5 mm. Scissor tactile feel is not a named mechanical switch or fully silenced class.

Tactile1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Manufacturer selected switch description, Tactile and Quiet for Orange, Tactile and Clicky for Green. Quiet alone is not silently damped.

Switch maker

Not available

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Switch models

Not available

Razer Orange Tactile Mechanical Switch Gen-33Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Maker switch-generation description for this exact board.

Switch stem

Not available

MX cross4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Mechanical Switches Gen-3 comparison lists cross stems with dual side walls, compatible with MX-style keycaps.

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

60gf3Maker product pagesupport.logi.com/hc/en-us/articles/16170852473751-Specification-Pebble-Keys-2-K380sRead 8 October 2026Exact current hardware Y-R0091 support table explicitly labels Actuation force 60±10 gf. Stored as the manufacturer nominal claim for fixed scissor switches, not a reviewer measurement. GearLab separately reports average operation/bump force 60.56 gf before registration. Its figure is not placed in measured_operating_force_g. Actual-contact correlation and maker force-test method are not stated.

50gf4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Mechanical Switches Gen-3 comparison, Orange column for 75% and Green column for full-size reference. Published as 50 g actuation force.

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

2mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 comparison. Orange 2.0 mm, Green 1.9 mm.

Total travel

1.5mm3Maker product pagesupport.logi.com/hc/en-us/articles/16170852473751-Specification-Pebble-Keys-2-K380sRead 8 October 2026Exact named support specification publishes total travel 1.5±0.3 mm. Stored as manufacturer claim, not reviewer displacement measurement.

3.5mm4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Maker Gen-3 comparison. Orange 3.5 mm, Green 4.0 mm.

Rated keystrokes

10million3Maker product pagesupport.logi.com/hc/en-us/articles/16170852473751-Specification-Pebble-Keys-2-K380sRead 8 October 2026Exact support gives 10M standard typing keys, 3M function/cursor keys. This scalar is the published standard typing-key rating. The lower function/navigation-key life is explicitly retained, not represented as 10M for every key. Not a whole-board warranty or measured test.

100million4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026

Factory-lubed switches

Not available

Yes4Maker product pagerazer.com/gaming-keyboards-accessories/razer-mechanical-switchesRead 5 October 2026Orange Gen-3 column explicitly names factory lubrication with GPL 205g0. This is not copied to the Green switches.

Adjustable actuation

Not available

Not available

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

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Current maker FAQ states Snap Tap latest-input priority via Razer Synapse 4. This is a later software feature, not a launch-firmware claim.

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.

None6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact tested product specification explicitly Hot Swappable Switches No. Fixed scissor hardware is not a 3/5-pin mechanical kit.

5-pin3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Maker explicitly supports both 3-pin and 5-pin switches. The 5-pin enum indicates the larger supported footprint.

Compatible switches

Not available

3-pin and 5-pin mechanical switches3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026

Stabilizers

Not available

Plate-mounted7Reviewtomshardware.com/reviews/razer-blackwidow-v4-75Read 5 October 2026Typing and Gaming section explicitly identifies factory-lubed plate-mounted stabilizers. Optional screw-in holes do not mean screw-in stabilizers are installed.

Factory-lubed stabilizers

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Keycaps

4 of 5 differ

Keycap material

Not available

ABS1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Legend method

Not available

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Keycap profile

Low profile1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current exact maker feature/FAQ describes round low-profile keys and slim low-profile scissor/chiclet keys. Stored as generic low-profile cap shape, not a named mechanical-keycap profile or an aftermarket MX compatibility claim.

Not available

Keycap thickness

Not available

Not available

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

Not available

Yes7Reviewtomshardware.com/reviews/razer-blackwidow-v4-75Read 5 October 2026Design section says primary legends are shine-through. Secondary side legends are printed.

Performance

5 of 11 differ

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

ALogitech Pebble Keys 2 K380s

Not available

BRazer BlackWidow V4 75%

Connection	Polling rate (Hz)
USB (wired)	1,000
USB (wired)	8,000

Source3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 20267Reviewtomshardware.com/reviews/razer-blackwidow-v4-75Read 5 October 2026Review explicitly documents default 1000 Hz and selectable 8000 Hz in Synapse. Other settings are not inferred.

Max polling rate

Not available

8,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

Not available

8,000Hz=CalculatedFrom Polling rate per connection

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.

ALogitech Pebble Keys 2 K380s

Rollover
3KRO

Source6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact reviewer reports observed 3-key rollover score. Test transport and specific key combinations are not stated. Connection is omitted, and this is not a maker guarantee that every possible three-key combination works. No 2KRO or 6KRO value is substituted.

BRazer BlackWidow V4 75%

Connection	Rollover
USB (wired)	NKRO

Source3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Maker explicitly states N-key rollover and anti-ghosting over its sole wired connection.

Anti-ghosting

Not available

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

2 of 7 differ

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.

ALogitech Pebble Keys 2 K380s

Connection	Single key (ms)
Bluetooth	14

Source6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact Latency Response Time table reports Bluetooth 14 ms. Prose explicitly describes input/key press to the result displayed on-screen, so this includes the tested host/display chain. No optional Bolt latency is measured. Physical onset versus electrical-contact start, rig, host/OS, display refresh, firmware, polling, repetitions and statistic are not supplied. Stored as the reviewer single-key input-to-screen result, not a USB-only latency or a polling reciprocal.

BRazer BlackWidow V4 75%

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.

35dB(A)6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact measured-noise table labels 35 dBa, and its public info popover explicitly says Average from 2 feet away. Narrative calls it average keypress volume. This is A-weighted mean sound at the declared distance. Sound meter model/calibration, ambient floor, key sequence, timing window and firmware are not published. Not peak noise or a maker quietness claim.

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

15 of 18 differ

Connections

Bluetooth, 2.4 GHz1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current specification and exact FAQ explicitly Bluetooth Low Energy plus compatibility with a separately sold Logi Bolt USB receiver. Native BLE connection and optional receiver link are both supported. There is no keyboard USB data connector. Older Unifying and original K380 Bluetooth Classic 3.0 are excluded.

USB (wired)1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Wireless technology

Bluetooth Low Energy / Logi Bolt1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Not available

Bluetooth

Not available

Not available

Bluetooth device slots

31Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Not available

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/pebble-keys-2Read 8 October 2026Current maker FAQ explicitly up to 3 host devices across operating systems, selected with the three Easy-Switch keys. Bluetooth/Bolt selections share these channels. Three Bluetooth slots are not added to a separate fourth receiver slot.

Not available

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/pebble-keys-2Read 8 October 2026

Not available

Receiver connector

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026No receiver is supplied with the keyboard-only reference. Logi Bolt is optional and supplied only in separately named Combo packages. None means the supplied package, not that optional receiver connectivity is unsupported.

Not available

Receiver storage in keyboard

No6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact tested product table says No, but receiver not included. Complete original maker bottom view has only the battery compartment, with no receiver compartment.

Not available

Receiver shared with other devices

Yes5Maker product pagelogitech.com/en-us/shop/p/logi-bolt-usb-receiverRead 8 October 2026Only the optional Logi Bolt receiver, separately sold. Current receiver page explicitly up to 6 Logi Bolt keyboards/mice on one receiver. Exact K380s consumer page/guide confirm compatibility. It does not add keyboard host slots or include a receiver in this package.

Not available

Wireless range

10m1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current specification up to 10 m, varying with environmental and computing conditions. Support sheet says greater than 10 m without setup. That unscoped lower-bound statement is not substituted for the current consumer claim.

Not available

Detachable cable

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Port on keyboard

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete maker top/bottom/side gallery and original Product Overview identify battery lid, status LEDs, Easy-Switch keys and power switch. No keyboard USB connector or wired input mode.

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Cable plug

Not available

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Cable

Not available

Not available

Cable length

Not available

2m7Reviewtomshardware.com/reviews/razer-blackwidow-v4-75Read 5 October 2026Box contents states 2m USB-C to USB-A cable.

USB passthrough

Not available

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Pro includes USB 2.0 passthrough, while the non-Pro and 75% maker tables explicitly say none.

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

Windows, macOS, iPadOS, iOS, Android, ChromeOS, Linux2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Exact maker guide lists Windows 10/11+, macOS 11+, iPadOS/iOS 14+, Android 9+, ChromeOS and Linux for basic Bluetooth input. Options+ host software has narrower support.

Not available

Consoles

Not available

Not available

Battery

8 of 16 differ

Battery type

AAA1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current exact consumer battery table/FAQ and detailed setup guide explicitly two AAA alkaline cells. Original 2023 producer brochure box list instead says AA. Actual replacement instructions and current consumer specification establish AAA for this reference. Chemistry is not an internal rechargeable pack.

Not available

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/pebble-keys-2Read 8 October 2026

Not available

Battery capacity

Not available

Not available

User-replaceable battery

Yes1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Detailed exact setup guide explicitly instructs opening the battery lid, removing old cells and inserting two new AAA alkaline cells. Support specification row No disagrees with these explicit instructions and actual compartment. No battery soldering or disassembly is required.2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Exact Installing a new battery section directly instructs detaching the compartment lid, removing old cells and inserting two new AAA alkaline cells. It overrides the contradictory No row in the shorter support specification.

Not available

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 Pebble Keys 2 K380s

Lighting	Months
Off	36

Source1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current maker FAQ and guide explicitly up to 36 months from two AAA alkaline cells. The keyboard has no built-in key backlight, so lighting is off by design. This is calendar-use endurance with idle/sleep periods, not continuous typing. Daily workload, active hours, transport, firmware and sleep schedule are unstated. User and computing conditions affect life. Support table greater than 50 Months has no test conditions and is not adopted. No months-to-hours conversion.

BRazer BlackWidow V4 75%

Not available

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.

36months=CalculatedFrom Battery life per mode (claimed)

Not available

Charging port

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Disposable AAA power and the complete original physical control overview show no charging port. The exact first-hand Tech Advisor review explicitly says there is no cable charging option.8Reviewtechadvisor.com/article/2077147/logitech-pebble-keys-2-k380s-review.htmlRead 8 October 2026Exact Battery Life section explicitly no cable charging option and replacement of the pair of AAA cells. No charging port is inferred from optional computer-side receiver connectivity.

Not available

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

No1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026This reference has no rechargeable internal battery or charging interface. Operation is from installed replaceable cells, not charging over a cable.8Reviewtechadvisor.com/article/2077147/logitech-pebble-keys-2-k380s-review.htmlRead 8 October 2026Exact review explicitly no cable charging. The keyboard runs from replaceable cells. It has no charging mode in which to use the keyboard.

Not available

Solar charging

Not available

Not available

Battery indicator

LED, Software1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 20262Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Power Management explicitly describes the red side LED for low charge and Options+ software battery notifications. Connection-status LEDs are not a battery gauge.

Not available

Build

5 of 8 differ

Case material

Plastic with recycled plastic content1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

5052 aluminium alloy top case1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Only the specified 5052 alloy top case is represented. Lower housing material is not inferred.

Plate material

Not available

FR43Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Exact Black configuration exploded-view labels and description identify FR 4. Aluminum top case is a different part.

Mount style

Not available

Gasket3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026

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

Case foam, Plate foam, Tape layer3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026Maker exploded view identifies plate foam, case foam and tape-enhanced PCB.

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.

4°6Reviewtechgearlab.com/reviews/small-and-home-office/wireless-keyboard/logitech-pebble-keys-2-k380sRead 8 October 2026Exact Comfort section says default 4 degrees with no adjustable angle. This is the published fixed setting, not an independently documented angle-measurement protocol or an angle derived from body heights.

Not available

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

3 of 7 differ

Backlight

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

RGB per key3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026

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

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Lighting sensors

Not available

Not available

Lighting sync

Not available

Razer Chroma RGB3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026

Controls

9 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.

Fn layer2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Function-row media/shortcut actions are direct by default. Fn+Esc toggles Fn Lock and Options+ can invert precedence. These share F-row keys, not separate media buttons.

Dedicated1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

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

01Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Play/pause/mute/volume functions share typing/function-row keys. Complete key map has no separate playback or mute buttons.

21Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Physical media buttons, excluding the roller and its possible press action.

Volume control

Keys2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026

Roller1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Knobs

01Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete physical control overview/top photograph show no rotary encoder or roller.

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026A volume roller is fitted, with no separate rotary knob in the complete device layout.

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/pebble-keys-2Read 8 October 2026Complete exact 79-key US map shows ordinary typing/F-row/Easy-Switch keys only. Remappable ordinary Fn keys and host Smart Actions are excluded from dedicated macro-key count.

Not available

Built-in screen

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete exact manufacturer control overview and gallery show status LEDs only, no screen.

Not available

Touchpad

No1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete exact manufacturer physical overview and all-side gallery show no pointing/touchpad surface. Ordinary keys are not a touchpad.

Not available

Fingerprint reader

No1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete exact manufacturer physical controls show no fingerprint reader or other biometric sensor.

Not available

OS mode switch

Key combination2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Original manual exact three-second combos Fn+O macOS, Fn+I iOS, Fn+P Windows/Android and Fn+C Chrome. Bluetooth normally auto-detects selected-host OS. Combos are manual overrides, especially for Bolt.

Not available

Windows key lock

Not available

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Software

4 of 10 differ

Software

Logi Options+1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Razer Synapse2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Software runs on

Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

Windows, macOS2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Current 75% manual What is needed lists Windows 11 and macOS 15 Apple Silicon.

Open firmware

Not available

Not available

Onboard memory

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

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

Not available

51Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026Hybrid onboard storage, up to five profiles. This does not establish onboard macro execution.

Macros

Yes2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Original exact Customize the 10 Keys instructions explicitly offer Smart Actions among assignable commands. The exact first-hand Tech Advisor review separately demonstrates Smart Actions running multiple tasks from one key. This is host-software automation, not onboard macro memory.8Reviewtechadvisor.com/article/2077147/logitech-pebble-keys-2-k380s-review.htmlRead 8 October 2026Exact first-hand K380s review demonstrates Logi Options+ Smart Actions performing several actions with one shortcut. Only ten Fn shortcut keys are remappable. The tested White board is used only for common maker-corroborated software/physical features, no White measurement is transferred.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

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/pebble-keys-2Read 8 October 2026Only the ten customisable shortcut/function keys identified by maker/guide are configurable through Options+. Full typing-array remapping is not claimed.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

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

Not available

22Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026Hypershift is a secondary mapping layer in addition to the standard mapping. Profile slots and light-effect layers are excluded.

User firmware updates

Not available

Not available

Ergonomics

2 of 4 differ

Wrist rest

None1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete reference box list and maker product views show no supplied or integrated wrist rest. Optional third-party accessories are excluded.

Detachable1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Wrist rest material

Not available

Magnetic plush leatherette1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

4 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.

Width279Depth124Height16mm(11 × 4.9 × 0.6 in)1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current consumer page explicitly Width 279 mm, Height 124 mm and Depth 16 mm in upright front-view axes. Stored as desktop width 279, front-to-back depth 124 and height 16. Exact reviews confirm fixed incline with no adjustable feet. The shorter support table instead labels Height 279.5 mm, Width 124.2 mm and Depth 16.4 mm. Its labels and values differ from the consumer page, and the cause is unknown. No support-table pose or label correction is assumed. No package or receiver dimensions are substituted.8Reviewtechadvisor.com/article/2077147/logitech-pebble-keys-2-k380s-review.htmlRead 8 October 2026Exact first-hand review explicitly no adjustable feet or stand, only four rubber nubs. This corroborates the fixed body-height condition for the same hardware family. The stored dimensions remain the exact consumer reference publication, not this reviewer's measurement.

Width321Depth155.5mm(12.6 × 6.1 in)6Owner's manualcdn.cs.1worldsync.com/syndication/mediaserverredirect/16fb2d4601cafdc9e0a46744ff245ac9/original.pdfRead 5 October 2026Older maker guide mirror, printed p 6. Length 321 mm becomes keyboard width, Width 155.5 mm becomes front-to-back depth. Published 24 mm height is omitted because fitted-keycap condition is not stated and cannot safely establish the schema body-plus-cap height.

Dimensions with wrist rest

Not available

Width321Depth240.5mm(12.6 × 9.5 in)6Owner's manualcdn.cs.1worldsync.com/syndication/mediaserverredirect/16fb2d4601cafdc9e0a46744ff245ac9/original.pdfRead 5 October 2026Printed p 6 With wrist rest, normalized axes. Unqualified 24 mm height omitted.

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.

415g(14.6 oz)1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Current keyboard specification 415 g. Exact Y-R0091 support sheet distinguishes 395 g without cells from 415 g with batteries. Stored 415 g includes the two operating cells, excludes package, optional receiver and wrist rest. Not a scale measurement.3Maker product pagesupport.logi.com/hc/en-us/articles/16170852473751-Specification-Pebble-Keys-2-K380sRead 8 October 2026Exact hardware Y-R0091 physical table explicitly distinguishes 395 g without battery and 415 g with battery. Current consumer 415 g matches the cell-installed value. This is a manufacturer publication, not reviewer measurement.

815g(1.8 lb)6Owner's manualcdn.cs.1worldsync.com/syndication/mediaserverredirect/16fb2d4601cafdc9e0a46744ff245ac9/original.pdfRead 5 October 2026Printed p 6 approximate keyboard without wrist rest, 815 g.

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

Not available

986g(2.2 lb)6Owner's manualcdn.cs.1worldsync.com/syndication/mediaserverredirect/16fb2d4601cafdc9e0a46744ff245ac9/original.pdfRead 5 October 2026Printed p 6 approximate keyboard with wrist rest, 986 g.

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

Works with Chromebook4Maker spec sheet (PDF)doi-product-assets.s3.amazonaws.com/pub/Manufacturer-Brochure/1077936591.pdfRead 8 October 2026Producer system requirement works with Chromebook and footnote 6 explicitly certified to meet Google compatibility standards for devices capable of running latest ChromeOS. This is the maker certification claim in the original 2023 sheet, not a software promise for every ChromeOS feature.

Not available

Other certifications

Not available

Not available

In the box

3 of 3 differ

In the box

Pebble Keys 2 K380s keyboard, 2 pre-installed AAA alkaline batteries, User documentation, Important Info Document (IID)1Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Exact current keyboard-only maker list. Two AAA alkaline cells are pre-installed. No mouse, Logi Bolt receiver, cable or optional wrist rest belongs to this package.

BlackWidow V4 75%, Magnetic plush leatherette wrist rest, USB Type A to Type C cable, 2-in-1 keycap and switch puller, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026What is inside section. Supplied wrist rest is identified in the device-layout legend.

Cables included

ALogitech Pebble Keys 2 K380s

Not available

BRazer BlackWidow V4 75%

Type	Count
USB Type A to USB Type C cable	1

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 October 2026

Spare switches

01Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026Complete current manufacturer box list has keyboard, two installed batteries and documents. No spare switches or mechanical hot-swap parts.

Not available

Links

Not compared

Product page

www.logitech.com/en-us/shop/p/pebble-keys-21Maker product pagelogitech.com/en-us/shop/p/pebble-keys-2Read 8 October 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v4-751Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75/RZ03-05000200-R3U1Read 5 October 2026

Spec sheet

doi-product-assets.s3.amazonaws.com/pub/Manufacturer-Brochure/1077936591.pdf4Maker spec sheet (PDF)doi-product-assets.s3.amazonaws.com/pub/Manufacturer-Brochure/1077936591.pdfRead 8 October 2026Original two-page Logitech PebbleKeys2-K380s_SpecSheet_V2_072523, including complete consumer overview and exact US Graphite 920-011775 single-unit/package table. It is producer-authored, not an autogenerated retailer manual.

Not available

Manual

support.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380s2Owner's manualsupport.logi.com/hc/en-us/articles/16170851777047-Getting-Started-Pebble-Keys-2-K380sRead 8 October 2026Full original maker Product Overview, connection, exact shortcut/OS tables and battery-replacement guide read. Generic footer about retired Firmware Update Tool does not prove model-specific firmware update support.

dl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse3/BLACKWIDOWV475-00000677-en.pdfRead 5 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

1 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/pebble-keys-2Read 8 October 2026Exact US consumer payload states one-year limited hardware warranty for the current reference. Other markets and statutory consumer protections are not inherited.

2years3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-75Read 5 October 2026US maker page warranty section.

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