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Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit, Hot-swappable Compact 100 Keys USB Wired Computer Gaming Keyboard Aluminum Frame for Mac Windows, Gateron Red Switch
Keychron

Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit

Bottom line: The Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit ($69.99 on Amazon as of 2026-10-07): 96% 100-key layout keeps a numpad while freeing desk space, in a CNC aluminum frame; main trade-off: wireless mode drops to 6KRO; full N-key rollover only over the USB-C wired connection.

$69.99

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Buy on Amazon — $69.99 Compare to similar gaming peripherals

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For keyboards, mice, headsets and other PC peripherals, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 96% 100-key layout keeps a numpad while freeing desk space, in a CNC aluminum frame
  • ✓ Pairs with three devices over Bluetooth or runs wired over USB Type-C
  • ✓ 4000 mAh battery rated for 72 hours typing or 7 days at 8 hrs per day
  • ✓ Hot-swappable sockets, with Gateron Reds rated to 50 million keystrokes
  • ✓ Ships with both Mac and Windows keycaps plus a full Mac function row

Cons

  • ✗ Wireless mode drops to 6KRO; full N-key rollover only over the USB-C wired connection
  • ✗ Gateron Reds are linear, so anyone wanting a tactile bump has to swap the switches
  • ✗ Keychron pitches the Bluetooth chipset for home, office and light gaming, not competitive play
  • ✗ Battery is rated 72 hours typing, with no stated runtime at full RGB brightness

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SpecPicks Verdict

SpecPicks scored Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. Keychron's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • A 96% layout (100-key) RGB backlight compact Bluetooth mechanical keyboard with CNC processed aluminum frame. The K4 is crafted to maximize your workspace and enhance productivity.
  • Connect the K4 with up to 3 devices via Bluetooth or to a single device with the USB Type-C wired option. Pair it up with your smartphone, laptop and iPad, and switch amongst the devices swiftly. It offers a highly reliable and broad compatibility Broadcom Bluetooth chipset that is best for home, office and light gaming uses.
  • With a unique Mac layout, the K4 has all the necessary Mac function keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included.
  • The K4 can last up to 72 hours typing, or up to 7 days of normal use (8 hrs/day) with a 4000 mAh big battery; one of the most powerful among mechanical keyboards. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode.
  • The keyboard has enchanting RGB backlight with modern keycap legends to help you type in dim environments; available in 15+ types of flashing light included static white light mode. Durable Gateron mechanical switch with 50 million keystroke lifespan, providing unrivaled tactile responsiveness on the linear red switch.

Full Specifications

BrandKeychron
ColorHot-swappable Red Switch
StyleContemporary
Model NameHS-K4J1
Style NameContemporary
Unit Count1 Count
Switch TypeLinear
ConnectivityBluetooth, USB
Model NumberHS-K4J
Power SourceBattery Powered
CompatibilitySwitch, Mac
Built-In MediaUSB Cable
Number of Keys100
Button Quantity100
Connection TypeWired
Keyboard LayoutQWERTY
Mfr Part NumberHS-K4J1
Number of Packs1
Special FeatureBluetooth, Lighting, Wireless
Antenna LocationGaming, Office
Full listing titleKeychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit, Hot-swappable Compact 100 Keys USB Wired Computer Gaming Keyboard Aluminum Frame for Mac Windows, Gateron Red Switch

Ready to buy?

Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit, Hot-swappable Compact 100 Keys USB Wired Computer Gaming Keyboard Aluminum Frame for Mac Windows, Gateron Red Switch is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $69.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Keychron K4 Bluetooth Wireless Mechanical Keyboard RGB LED Backlit, Hot-swappable Compact 100 Keys USB Wired Computer Gaming Keyboard Aluminum Frame for Mac Windows, Gateron Red Switch
$69.99
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