1. Number of keys: 69 keys
2. Interface type: Type-C
3. Working voltage: 5V
4. Working current: 500MA
5. Button life: 50 million times
6. Cable length: about 1.6M
7. System compatibility: Mac/Windows/Android/ios
8. Shaft body: green shaft and red shaft
9. Battery capacity aluminum battery: 3000MA
10. Use time: 7 days
11. 3 modes: wired, 2.4G, Bluetooth 3.0 mode, Bluetooth 5.0 mode
12. Size: about 292x95x23.19mm