67 Keys Three-mode Customized DIY With Knob Mechanical Keyboard Kit Supports Hot Plug RGB Backlight 1. Gasket structure, multimedia knob, fine-tuning satellite axis, Bluetooth connection, 2.4G wireless connection Type-CUSB-C wired connection, full-key no punching, RGB backlight, music rhythm, macro programming software 2. Multimedia knob, rotate to adjust volume, click to playpause music 3. Hot-swappable shaft seat, suitable for most shafts on the market, compatible with three-legged and five-legged 4. Ergonomic inclined design and trapezoidal keycaps are adopted to minimize fatigue, and oil-injected keycaps are used to realize the formation of character keys 5. Connection method: wired + bluetooth + 2.4G connection 6. Built-in battery: 3000mah 7. Number of keys: 67 keys 8. Material: ABS 9. Cable length: 1.5 meters 10. Packing list: kit + manual + usb cable 11. Weight: 0.71kg