ONIKUMA MT706 81-Keys Hot Swappable Triple Mode Mechanical Keyboard 1. Supports three different connection methods: Type-C wired, wireless, and 2.4G wireless, ensuring stable connection. 2. Built-in 4000mAh lithium battery provides strong battery life for extended use. 3. Fully hot-swappable key slots, customizable design, and easily replaceable switches. 4. Stunning RGB lighting effects with a variety of lighting options and adjustable color and brightness for a truly stylish experience. Specifications 1. Number of Keys: 81 2. Key Lifespan: 50 million times 3. Connection: WirelessWired2.4G 4. Keyboard Mount: Hot-Swappable 5. Lighting Effect: RGB 6. Battery Capacity: 4000mAh 7. Charging Port: Type-C 8. Charging Time: Approximately 5 hours 9. Battery Life: Approximately 20 hours 10. Operating Voltage: 3.7V +- 0.5V 11. Operating Current: Less than 200mA 12. Cable Length: PVC3.5 (1.8m) 13. Keyboard Dimensions: 332x145x44mm 14. Weight: Approximately 780g