For Microsoft Surface Pro3 / Pro4 / Pro 2017 / Pro6 / Pro7 Universal Magnetic Adsorption Bluetooth 3.0 Keyboard Leather Tablet Case

1. Bluetooth 3.0 standard interface 

2. Effective operating distance: 10 meters 

3. Modulation method: GFSK 

4. Working voltage: 3.0-4.2V 

5. Working current: less than 2.5mA 

6. Standby current: less than 0.3mA 

7. Sleep current: less than 40uA 

8. Charging current: more than 200mA 

9. Standby time: more than 100 days 

10. Charging time: 2-3 hours 

11. Lithium battery capacity: 350mAh 

12. Sustainable working hours: more than 100 hours 

13. Lithium battery life: 3 years 

14. Button force: 80-+10g 

15. Button life: 5 million clicks 

16. Working temperature: -10-+55 degrees CelsiusNote: Tablet is not included

GeneralCompatible withMicroSoft:  Surface Pro 3,  Surface Pro 4,  Surface Pro 6,  Surface Pro 7

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