J3129 For iPad Pro 12.9 2022/2021/2020/2018 Bluetooth Keyboard Leather Case(Black)

1. Bluetooth 3.0 standard interface2. Effective operating distance: 10 meters3. Modulation method: GFSK4. Working voltage: 3.0-4.2V5. Working current: about 8mA (when the touchpad is working)6. Standby current: about 0.3mA7. Sleep current: about 40uA8. Charging current: 100mA9. Standby time: about 100 days10. Charging time: 2-3 hours11. Lithium battery capacity: 250mAh12. Sustainable working time: about 50 hours (when the lights are turned off)13. Lithium battery life: 3 years14. Button force: 80+-10g15. Button life: 5 million clicks16. Product size: 288x224x12mm