Keychron K3 Max K3M-H1 Red Switch 75% Low-Profile Wireless Mechanical Keyboard
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Keychron K3 Max is an ultra-slim 75% wireless mechanical keyboard with hot-swappable low-profile Gateron Red switches. Supports 2.4GHz (1000Hz), Bluetooth 5.1 (3 devices), wired USB. QMK/VIA programmable, RGB backlit, acoustic foam.
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The Keychron K3 Max (K3M-H1) is an ultra-slim wireless custom mechanical keyboard featuring a compact 75% ANSI US layout. Equipped with hot-swappable low-profile Gateron Red linear switches (MX 2.0), it delivers smooth, reliable keystrokes. Connect via 2.4GHz dongle (1000Hz polling), Bluetooth 5.1 to 3 devices, or wired USB. Powered by QMK/VIA firmware for endless key remapping and macros via the web-based Keychron Launcher.
Ultra-thin aluminum frame with innovative 31% slimmer low-profile switches, north-facing RGB lighting (22 modes), double-shot PBT LSA profile keycaps compatible with Mac/Windows. Includes IXPE acoustic foam and latex switch pads for silent, comfortable typing. Battery lasts up to 78 hours without backlight (550mAh). Features redesigned stabilizers, 3-level adjustable typing angle, and OS switch.
- Hot-swappable Gateron low-profile mechanical switches (Red linear)
- 2.4GHz 1000Hz / Bluetooth 5.1 / Wired connectivity
- QMK/VIA programmable with ARM MCU (256KB Flash)
- North-facing per-key RGB + acoustic foam
- Box includes: keyboard, USB-C cable, 2.4G receiver+adapter, switch/keycap pullers
| Layout | 75% ANSI US (84 keys + 12 multimedia) |
| Switches | Gateron Low-Profile Red (Linear, hot-swappable) |
| Connectivity | 2.4GHz (1000Hz), Bluetooth 5.1 (3 devices, 90Hz), Wired USB |
| Polling Rate | 1000Hz (2.4GHz/Wired), 90Hz (BT) |
| Backlighting | North-facing RGB (22 modes) |
| Keycaps | Double-shot PBT LSA profile (Mac/Windows) |
| Frame | ABS + Aluminum |
| Battery | 550mAh (78h no backlight, 40h low backlight) |
| Firmware | QMK/VIA (ARM MCU, 256KB Flash) |
| Dimensions (Keyboard) | 30.6 x 1.7 x 11.6 cm (12.05 x 0.67 x 4.57 in) |
| Acoustic Features | IXPE foam + Latex switch pads |
| Compatibility | Windows, macOS |
