SKU:
K1U-H1
Keychron K1 Ultra 8K Black 80% Low-Profile Wireless Mechanical Keyboard with Red Switches, Hot-Swap, RGB, Multi-Function Knob, 2.4 GHz, Bluetooth 5.2, USB-C and Wood-Metal Frame
$ 78.00
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Description
Expert Features
- Compact 80% TKL Layout: Keeps essential keys while removing the number pad to save desk space.
- 8K Polling Rate: Supports 8,000 Hz in 2.4 GHz wireless and wired modes; Bluetooth polling is 125 Hz.
- Three Connection Modes: Connect by 2.4 GHz, Bluetooth 5.2, or USB-C wired. Bluetooth supports switching between up to three devices.
- Keychron Milk POM Red Switches: Low-profile linear switches come pre-installed on this fully assembled model.
- Hot-Swappable Switches: Replace compatible switches without soldering.
- Multi-Function Knob: Adjust volume by default, or customize the knob’s actions through Keychron Launcher.
- ZMK Customization: Remap keys and create macros using the Launcher web app.
- Per-Key RGB: Customize the backlight with 22+ lighting settings, including per-key RGB and Mix RGB.
- Up to 490 Hours of Battery Life: The 2,600 mAh battery lasts up to 490 hours with the backlight off.
- Wood-and-Metal Frame: Natural wood accents pair with a metal frame for a distinctive low-profile design.
- Mac, Windows, and Linux Compatible: Includes Mac and Windows keycaps for switching between supported systems.







Expert Specs
| Specification | Details |
|---|---|
| Model | K1U-H1 |
| Product | Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard |
| Configuration | Fully assembled |
| Color | Black |
| Layout | 80% compact TKL |
| Switch | Keychron Milk POM Red, low-profile |
| Switch type | Linear |
| Hot-swappable | Yes |
| Connectivity | 2.4 GHz, Bluetooth 5.2, USB-C wired |
| Polling rate | 8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth |
| Bluetooth device switching | Up to 3 devices |
| Firmware and customization | ZMK; Keychron Launcher web app |
| Knob | Multi-function, customizable through Launcher |
| Backlight | North-facing RGB LED; per-key RGB and Mix RGB; 22+ settings |
| Keycaps | LSA double-shot PBT, non-shine-through |
| Body material | Aluminum and wood |
| Bottom case material | ABS plastic |
| Plate material | Anodized aluminum alloy |
| Stabilizers | Plate-mounted |
| Battery | Rechargeable 2,600 mAh lithium-polymer |
| Wireless working time | Up to 490 hours with backlight off |
| Compatible systems | macOS, Windows, Linux |
| Dimensions | 358.6 × 128.3 mm |
| Front height | 15.44 mm without keycaps |
| Back height | 19.94 mm without keycaps |
| Feet height | 2 mm |
| Weight | 628.9 g ± 10 g |
| Operating environment | −10°C to 50°C |
| MCU | Real-M300V 32-bit RTL8762GTH, 1 MB flash |
| Bluetooth device name | Keychron K1 Ultra 8K |









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