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Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Red Switch/White LED Backlight/USB Wired for Mac Windows-Version 2
Keychron

Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless Bluetooth Mechanical Keyboard with Low-Profile Keychron Optical Red Switch/White LED Backlight/USB Wired for Mac Windows-Version 2

Status: Keychron K3 75% Layout 84-Key Ultra-Slim…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

Bottom line: The Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless: Hot-swappable low-profile optical switches, customizable without soldering; main trade-off: full NKRO only in wired mode; wireless drops to 6KRO.

Unavailable on Amazon as of

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: iClever BK10 Bluetooth Keyboard — $22.19 on Amazon as of 2026-10-07 10:15 UTC (price may vary).

Similar: MageGee Portable 60% Mechanical Gaming Keyboard — $26.99 on Amazon as of 2026-10-07 12:15 UTC (price may vary).

Similar: Redragon K552P Mechanical Gaming Keyboard TKL… — $29.59 on Amazon as of 2026-10-08 04:13 UTC (price may vary).

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.

Pros & Cons

Pros

  • ✓ Hot-swappable low-profile optical switches, customizable without soldering
  • ✓ Bluetooth 5.1 pairs 3 devices; switch between laptop, PC, tablet, phone
  • ✓ Low-profile switches 40% slimmer with faster actuation than normal switches
  • ✓ Includes both Mac and Windows keycaps for cross-platform typing
  • ✓ Optical red switches rated for 70 million keystrokes; NKRO in wired mode

Cons

  • ✗ Full NKRO only in wired mode; wireless drops to 6KRO
  • ✗ Not compatible with standard MX-style mechanical switches
  • ✗ Plastic bottom frame beneath the aluminum top plate
  • ✗ 75% 84-key layout drops numpad and dedicated nav cluster

SpecPicks Verdict

SpecPicks scored Keychron K3 75% Layout 84-Key Ultra-Slim Hot-Swappable Wireless… 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

  • Keychron K3, a compact 75% layout 84 keys white LED backlight hot-swappable ultra-slim wireless mechanical keyboard (Exclusive color scheme) built for peak productivity, a great tactile typing experience, and let you personalize per-key typing experience without soldering.
  • Be ready to multitask without missing a beat by connecting the K3 with up to 3 devices via the stable Bluetooth 5.1 chipset and switch between your laptop, PC, tablet and phone seamlessly. It also has wired mode with USB Type-C connection.
  • With a unique Mac layout, the K3 has all the necessary Mac multimedia keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included.
  • The redesigned low-profile Keychron optical switch is 40% slimmer than conventional switches with a shorter pre-travel and total travel distance that triggers an input and feedback faster than conventional/normal-profile mechanical switches. With the reinforced aluminum body (plastic bottom frame) make the K3 one of the thinnest and lightweight mechanical keyboards on the market.
  • You can easily hot-swap every low-profile optical switch without soldering to customize your typing experience on the K3 (*This keyboard is NOT compatible with any conventional MX style mechanical switch). The pre-installed low-profile optical red switch provides unrivaled linear responsiveness with up to 70 million keystroke lifespan, and it supports NKRO on the wired mode or 6KRO on the wireless mode.

Full Specifications

BrandKeychron
ColorLow-profile Keychron optical red switch
StyleContemporary
ThemeCustomizable Productivity
Generation2nd
Model NameK3 Ultra-slim Wireless Mechanical Keyboard
Style NameContemporary
Unit Count1.0 Count
Switch TypeLow Profile Keychron Optical (Hot-swappable)
ConnectivityBluetooth, USB
Model NumberK3-D1
Power SourceBuilt-in rechargeable battery
CompatibilityPC, Switch, Mac
Series Number1
Built-In Media1 x Keyboard, 1 x USB-A to USB Type-C Cable, 1 x Keycap Puller, 1 x Switch Puller (For Optical version only), 1 x Dust Cover
Number of Keys84
Button Quantity84
Connection TypeWired
Mfr Part NumberK3-D1
Special FeatureReinforced body structure, Two level adjustable rubber feet

Ready to buy?

Amazon shows no buyable offer for Keychron K3 75% Layout 84-Key Ultra-Slim… at the last check. A similar in-stock product is iClever BK10 Bluetooth Keyboard. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $22.19

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