1. Bluetooth solution: Brodacom V3.0
2. Bluetooth protocol: HID
3. Operating distance: 10M
4. Frequency: 2402-2480MHZ
5. Power supply: 1AAA dry battery (not included)
6. Material: Plastic
7. Working time: 288 hours
8. Working voltage: 1.5V
9. Low battery alarm: less than or equal to 1.1V
10. Working current: 2.5mA
11. You can connect 3 Bluetooth devices at the same time
12. Automatic power on/off function, turn off when folded, and turn on when opened
13. Compatible with IOS, Android and WINDOW three operating systems
14. Foldable design, easy to carry
15. Ergonomic design, comfortable operation
16. Size: 252×46.8×28.8mm
17. Single weight: 196G