1. Bluetooth 3.0 standard interface
2. Effective working distance: 10 meters
3. Modulation method: GFSK
4. Working voltage: 3.1-4.2V
5. Working current: <= 3.0mA
6. Standby current: <0.3mA
7. Sleep current: <= 0.1mA
8. Charging current: <= 200mA
9. Standby time:>=95 days
10. Charging time: <= 2 hours
11. Lithium battery capacity: 400 mAh
12. Sustainable working time: >= 76 hours.
13. Lithium battery life: 3 years
14. Button force: 50-80g
15. Key life: 3 million clicks
16. Working temperature: -10- +55 degrees Celsius
17. Product material: skin-like plain fabric + TPU pen slot shell
18. Please note: The touchpad is only available when your iPad system is above iOS13 (iPad Air cannot use the touchpad).
