1. Bluetooth 3.0 standard interface
2. Effective operating distance: 10 meters
3. Modulation mode: GFSK
4. Working voltage: 3.0-4.2V
5. Working current: less than 2.5mA
6. Standby current: less than 0.3mA
7. Product size: 25.8x21x2.5cm
8. Charging current: more than 200mA
9. Standby time: more than 100 days
10. Charging time: 3-4 hours
11. Lithium battery capacity: 200mah / 400mAh (backlit)
12. Sustainable working time: 100 hours / 3-5 hours (when the light is turned on)
13. Lithium battery life: 3 years
14. Button force: 80g
15. Key life: 5 million clicks
16. Working temperature: -10 to 55 degrees Celsius
17. Product material: leather case with built-in pen slot ABS plastic keyboard keyboard with seven-color light (only backlight models)