Keychron K5 V2 (K5X-B4) QMK Wireless Mechanical Keyboard Banana Switch RGB 100% US
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The Keychron K5 V2 (K5X-B4) is a low-profile wireless mechanical keyboard with 100% US layout, Banana tactile switches, QMK firmware, enhanced acoustic foams, Bluetooth 5.2, and per-key RGB. Offers 1000Hz wired polling and up to 160h battery life.
For any questions about this item, availability, or delivery times, please contact us at 22 270068
The Keychron K5 QMK Version 2 (K5X-B4) is an ultra-slim wireless mechanical keyboard featuring a full 100% US ANSI layout with 108 keys. Equipped with Keychron Low-Profile 2.0 Banana tactile switches (42gf, 1.7mm pre-travel), it delivers responsive, quiet typing enhanced by IXPE, EPDM, and latex acoustic foams for superior sound dampening and comfort.
Supports Bluetooth 5.2 connectivity for up to 3 devices, wired USB-C mode with 1000Hz polling, and QMK open-source firmware programmable via the web-based Keychron Launcher app (no downloads needed). North-facing RGB backlighting offers 22+ effects with full customization. Compatible with Windows, macOS, and Linux, with switchable keycaps included.
Features a durable ABS+aluminum frame, 2000mAh battery (up to 160 hours backlit off), NKRO support, and adjustable typing angles. Ideal for office, gaming, and productivity with low latency even in wireless mode.
- 1x Fully Assembled Keyboard
- 1x USB Type-A to Type-C Cable
- 1x Keycap Puller
- Mac & Windows Keycaps
| Model | K5X-B4 |
| Number of Keys | 108 (100%) |
| Layout | ANSI US |
| Switches | Keychron Low-Profile 2.0 Banana (Tactile) |
| Switch Type | Mechanical Low-Profile Tactile |
| Operating Force | 42gf |
| Pre-Travel | 1.7mm |
| Switch Face | North-facing |
| Keycap Material | Shine-through ABS |
| Frame Material | ABS + Aluminum |
| Backlighting | RGB (22+ modes) |
| Polling Rate (Wired) | 1000Hz |
| Polling Rate (Wireless) | 125Hz |
| N-Key Rollover | Yes (wired & wireless) |
| Connectivity | Bluetooth 5.2 (3 devices), USB-C Wired |
| Battery Capacity | 2000mAh Li-Polymer |
| Battery Life (Backlight Off) | Up to 160 hours |
| Battery Life (RGB On) | Up to 105 hours (lowest brightness) |
| MCU | ARM Cortex-M3 32-bit (256KB Flash) |
| Dimensions (Keyboard) | Width: ~43cm, Depth: ~13cm, Height: 20.6-25.2mm |
| Typing Angles | 3.37º / 4.36º / 6.56º |
| Firmware | QMK Open Source |
| Compatibility | Windows / macOS / Linux |
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