SF128 Tree Texture Bluetooth Keyboard Leather Tablet Case For Microsoft Surface Pro 8(Black)

1. Bluetooth standard interface2. Effective operating distance: 10 meters3. Modulation method: GFSK4. Working voltage: 3.7-4.0V5. Working current: 8MA6. Standby current: 0.3MA7. Sleep current: 50UA8. Charging current: 200mA9. Standby time: about 100 days10. Charging time: 2-3 hours11. Lithium battery capacity: 200MA12. Sustainable working hours: no less than 30 hours13. Lithium battery life: 3 years14. Button force: 80+/-10g15. Button life: 5 million clicks16. Working temperature: -10-55 degrees Celsius17. Charging port: Type-C interfaceSpecification: General Compatible with MicroSoft:  Surface Pro 8 Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 32cm * 22cm * 2.5cm / 12.6inch * 8.66inch * 0.98inch Qty per Carton 10 Carton Weight 8.50kgs / 18.74lb Carton Size 32cm * 22cm * 25cm / 12.6inch * 8.66inch * 9.84inch Loading Container 20GP: 1515 cartons * 10 pcs = 15150 pcs 40HQ: 3517 cartons * 10 pcs = 35170