Keyboards / Compare

Keychron B1 Pro vs Logitech K400 Plus Wireless Touch Keyboard

A

Product A: Keychron

B1 Pro

79 of 164 known

Change Keychron B1 Pro

Compare the Logitech K400 Plus Wireless Touch Keyboard with

Search keyboards

B

Product B: Logitech

K400 Plus Wireless Touch Keyboard

56 of 164 known

Change Logitech K400 Plus Wireless Touch Keyboard

Compare the Keychron B1 Pro with

Search keyboards

All 164 fields

Every value links to where we found it.

Only differences

AKeychron B1 Pro

BLogitech K400 Plus Wireless Touch Keyboard

General

6 of 9 differ

Series

B Pro1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

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

B1P-K1, B1P-K8, B1P-K11, B1P-K131Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current public maker colour selector verified in Chrome. Space Gray B1P-K1, Ivory White B1P-K8, Retro Blue B1P-K11, Retro Red B1P-K13. No SKU-to-hardware-PID mapping is published. Open firmware and numeric rollover are omitted because multiple hardware revisions share the marketed name.

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.

GTIN / EAN

48952488763595Retailer pagebhphotovideo.com/c/product/1917830-REG/keychron_b1p_k1_b1_pro_ultra_slim_wireless.htmlRead 23 October 2026Exact B1P-K1 Space Gray ANSI EAN. Does not identify a hardware PID or firmware revision.

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.

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

Not available

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.

Status

Available1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker page shows Add to Cart and shipping within two working days. Regional stock may vary.

Not available

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.

$39.993Press articlegizmochina.com/2024/05/25/keychron-b1-pro-ultra-thin-keyboard-launch-specs-priceRead 23 October 2026May 25 2024 launch reporting explicitly says USD 39.99 and on sale now. Current sale price excluded.

$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.

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 pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

ColoursiThe maker's own colour names

Space Gray, Ivory White, Retro Blue, Retro Red1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

Segment

Office1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker presents portability, productivity and Mac/Windows office typing. Reference is fully assembled ANSI standalone keyboard.

Not available

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

Complete1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

Layout

5 of 12 differ

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

75 %6Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

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

ANSI6Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

Regional layouts

ANSI6Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

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.

776Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker standard ANSI specification 77 keys. ISO and JIS versions are not included in these rows.

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.

Key legends for

Windows, macOS6Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker image shows dual Mac and Windows modifier legends.

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

Numpad

No7Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026

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.

Function row

Yes7Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026

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.

Dedicated arrow keys

Yes7Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026Complete current maker ANSI top view shows four dedicated arrow keys, including separate half-height Up and Down switches.

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.

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

Fn layer8Maker product pagekeychron.com/blogs/news/b1-pro-key-combinationsRead 23 October 2026Maker shortcut table puts Home, End, Page Up and Page Down on Fn plus arrow keys.

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.

Key stagger

Row-staggered7Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026

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

Bottom row

Not available

Not available

Low profile

Yes6Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

Switches

4 of 25 differ

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

Scissor9Reviewtomsguide.com/computing/peripherals/keychron-b1-pro-reviewRead 23 October 2026Exact B1 Pro review identifies scissor mechanism. Current maker Scissor Mechanism gallery image confirms this is still the advertised mechanism. No B6 measured data transferred.

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

Switch feel

Tactile9Reviewtomsguide.com/computing/peripherals/keychron-b1-pro-reviewRead 23 October 2026Review explicitly describes enhanced tactile feedback. Current maker text also names tactile feedback.

Not available

Switch maker

Not available

Not available

Switch models

Not available

Not available

Switch stem

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Total travel

Not available

Not available

Rated keystrokes

Not available

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

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

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

Not available

Not available

Rapid trigger

Not available

Not available

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

Not available

Not available

Multi-action keys

Not available

Not available

SOCD handling

Not available

Not available

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

Not available

Not available

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

Not available

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.

Compatible switches

Not available

Not available

Stabilizers

Not available

Not available

Factory-lubed stabilizers

Not available

Not available

Keycaps

1 of 5 differ

Keycap material

ABS10Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker specification explicitly names ABS keycaps.

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.

Legend method

Not available

Not available

Keycap profile

Low profile10Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker describes ultra-slim concave fitted keys. No mechanical OEM or Cherry profile is inferred.

Not available

Keycap thickness

Not available

Not available

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

Not available

Not available

Performance

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.

AKeychron B1 Pro

Connection	Polling rate (Hz)	Receiver or adapter
USB (wired)	1,000	Not available
2.4 GHz	1,000	Included Type-A 2.4 GHz receiver
Bluetooth	90	Not available

Source11Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker specification lists 1000 Hz wired and 2.4 GHz, 90 Hz Bluetooth. Maker claims, not measured latency or effective update rate.

BLogitech K400 Plus Wireless Touch Keyboard

Not available

Max polling rate

1,000Hz=CalculatedFrom Polling rate per connection

Not available

Polling rate (wired)

1,000Hz=CalculatedFrom Polling rate per connection

Not available

Polling rate (2.4 GHz)

1,000Hz=CalculatedFrom Polling rate per connection

Not available

Polling rate (Bluetooth)

90Hz=CalculatedFrom Polling rate per connection

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Anti-ghosting

Not available

Not available

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Connectivity

12 of 18 differ

Connections

USB (wired), 2.4 GHz, Bluetooth12Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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).

Wireless technology

Not available

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

Bluetooth

5.212Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

Bluetooth device slots

312Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 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.

412Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker explicitly says three Bluetooth connections and one dedicated 2.4 GHz host. No fifth wired host is inferred.

Not available

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

Keys13Maker product pagekeychron.com/blogs/news/b1-pro-key-combinationsRead 23 October 2026Fn+1/2/3 select Bluetooth host. The separate mode toggle selects Bluetooth, cable or 2.4 GHz.

Not available

Receiver connector

USB-A12Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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.

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

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.

Wireless range

10m14Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026English specification p. 7: within ten metres in open space for 2.4 GHz and Bluetooth.

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.

Detachable cable

Yes12Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

Port on keyboard

USB-C12Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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).

Cable plug

USB-C14Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026English p. 2 includes Type-C cable plus a separate Type-A to Type-C adapter. B&H exact current B1P-K1 listing confirms USB-C to USB-C cable.

Not available

Cable

Not available

Not available

Cable length

Not available

Not available

USB passthrough

Not available

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.

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

Windows, macOS, Linux, iOS, Android12Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker lists macOS, iOS, Windows, Android and Linux. A 2024 reviewer found Android pairing problems. Current maker claim retained with that practical limitation recorded in research report.

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.

Consoles

Not available

Not available

Battery

12 of 16 differ

Battery type

Li-Po15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

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

Not available

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

Battery capacity

800mAh15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

User-replaceable battery

Not available

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

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.

AKeychron B1 Pro

Lighting	Hours (h)	Months
Off	1,200	Not available
Off	Not available	8

Source15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker publishes up to 1200 continuous hours and separately about eight calendar months at five hours daily. Native units are retained in separate rows. No conversion performed. Connection and polling rate unstated. Backlight is absent.

BLogitech 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.

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.

1,200h=CalculatedFrom Battery life per mode (claimed)

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.

1,200h=CalculatedFrom Battery life per mode (claimed)

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.

8months=CalculatedFrom Battery life per mode (claimed)

18months=CalculatedFrom Battery life per mode (claimed)

Charging port

USB-C15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

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

150min15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker approximate full charge time around 2.5 hours, stored as 150 min.

Not available

Quick charge

Not available

Not available

Use while charging

Yes15Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker explicitly says operate while charging.

Not available

Solar charging

Not available

Not available

Battery indicator

LED16Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026English p. 14: red charging light and green full-charge light. Current key-combination page also defines Fn+B red/blue/green battery levels as beta and not fully accurate.

Not available

Build

3 of 8 differ

Case material

ABS17Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker Body Material ABS.

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.

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.

3.2°17Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Maker current typing angle 3.2 degrees. No folding-foot or tenting angles inferred.

Not available

Spill resistant

Not available

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.

IP rating

Not available

Not available

Lighting

0 of 7 differ

Backlight

None18Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

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

5 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 layer19Maker product pagekeychron.com/blogs/news/b1-pro-key-combinationsRead 23 October 2026Current maker table assigns playback and mute to shared F7 to F10 keys. Mac default and Windows Fn access are documented.

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.

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

021Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026Complete current maker top view and shortcut table show media on ordinary F-row keys, no separate playback buttons.

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.

Volume control

Keys19Maker product pagekeychron.com/blogs/news/b1-pro-key-combinationsRead 23 October 2026

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.

Knobs

021Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026

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.

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.

021Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026Complete 77-key control inventory has no separate macro keys. Remappable typing keys excluded.

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.

Built-in screen

None21Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026Complete current maker image and manual overview show status LEDs without a 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.

Touchpad

No21Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026

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.

Fingerprint reader

No21Maker product pagekeychron.com/cdn/shop/files/Keychron_B1_Pro_Black_2.jpgRead 23 October 2026Complete top/control overview has no fingerprint sensor.

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.

OS mode switch

Switch20Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026English overview p. 8 identifies physical Mac/Win toggle.

Not available

Windows key lock

Yes19Maker product pagekeychron.com/blogs/news/b1-pro-key-combinationsRead 23 October 2026Current shortcut table: hold Fn+Windows for three seconds in Windows mode to lock or unlock Windows key.

Not available

Software

4 of 10 differ

Software

Keychron Launcher22Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

Software runs on

Web22Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker links Launcher browser app. Manual requires recent Chrome, Opera or Edge and wired keyboard connection.

Not available

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

Yes22Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker explicitly advertises macro configuration in Launcher. Does not establish onboard execution or open firmware for every hardware revision.

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

Yes22Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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+.

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

Not available

Not available

User firmware updates

Yes23Maker product pagekeychron.com/blogs/archived/how-to-use-the-launcher-web-app-or-manually-flash-firmware-for-your-b-pro-series-keyboardRead 23 October 2026Current maker firmware page explicitly lists different B1 Pro hardware PIDs and warns to match PID and VID. ANSI PIDs include 0x0711, 0x0714 and 0x071a. Do not cross-flash. No revision-specific firmware compatibility claim stored.

Not available

Ergonomics

0 of 4 differ

Wrist rest

None24Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026Complete English p. 2 box inventory contains no supplied wrist rest. Silicone skin is a keyboard cover, not a wrist rest.

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

Wrist rest material

Not available

Not available

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.

Width296Depth130Height14.5Front height5.2mm(11.7 × 5.1 × 0.6 × 0.2 in)25Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker front 5.2 mm, rear 14.5 mm, 296 by 130 mm. B&H explicitly gives complete keyboard height 14.5 mm. No claim that these are bare-case dimensions.

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.

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.

425g(15 oz)25Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026Current maker keyboard mass 425 g. B&H rounded conversion gives 426 g, so native maker figure retained. Not a reviewer measurement.

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.

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

Not available

Not available

Box dimensions

Width325.12Height40.64Depth142.24mm(12.8 × 1.6 × 5.6 in)26Retailer pagebhphotovideo.com/c/product/1917830-REG/keychron_b1p_k1_b1_pro_ultra_slim_wireless.htmlRead 23 October 2026Exact B1P-K1 retail package 12.8 by 5.6 by 1.6 inches, converted exactly at 25.4 mm per inch.

Not available

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

614.62g(1.4 lb)26Retailer pagebhphotovideo.com/c/product/1917830-REG/keychron_b1p_k1_b1_pro_ultra_slim_wireless.htmlRead 23 October 2026Exact B1P-K1 retail package 1.355 lb, converted at 453.59237 grams per lb and rounded to 0.01 g.

Not available

Certifications

1 of 2 differ

Platform certifications

Not available

Not available

Other certifications

Not available

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.

In the box

3 of 3 differ

In the box

Keychron B1 Pro Ultra-Slim Wireless Keyboard, Type-C cable, Type-A to Type-C adapter, Type-A 2.4 GHz receiver, Quick Start Guide, Silicone skin27Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026English p. 2 complete inventory. Current maker box image is consistent with these components.

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.

Cables included

AKeychron B1 Pro

Type	Count
USB-C to USB-C cable	1

Source27Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026Type-C cable with a separate Type-A adapter. Current exact B1P-K1 B&H table identifies both cable ends as USB-C.

BLogitech K400 Plus Wireless Touch Keyboard

Not available

Spare switches

024Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdfRead 23 October 2026No spare switches in complete box inventory.

Not available

Links

Not compared

Product page

www.keychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboard1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

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

Spec sheet

Not available

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

Manual

cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_B1_Pro_User_Manual.pdf1Maker product pagekeychron.com/products/keychron-b1-pro-ultra-slim-wireless-keyboardRead 23 October 2026

Not available

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.

1year2Maker product pagekeychron.com/pages/warrantyRead 23 October 2026Global maker store warranty defaults to twelve months unless purchase documents state otherwise. This is a manufacturer warranty, not regional statutory rights.

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.

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