For Microsoft Surface Pro 10 / Pro 9 2089D Backlight Wireless Bluetooth Keyboard Leather Case with Touchpad(Grey)

Features1. Magnetic adsorption design, easy to use via Bluetooth connection2. The keyboard has a touchpad and supports a variety of shortcut gestures for easy daily operation3. With colorful backlight, typing is clearly visible in dark environments4. Can store touch pens at the same time (does not support the charging function of the original touch pen)5. Compatible models: for Microsoft Surface Pro 10 / Pro 9 / Pro 8 / Pro XSpecifications1. Bluetooth standard interface2. Effective operating distance: 10m3. Modulation mode: GFSK4. Working voltage: 3.0-4.2V5. Working current: less than 8mA (when the touchpad is working)6. Standby current: less than 0.3mA7. Sleep current: less than 40uA8. Charging current: 200mA9. Standby time: more than 100 days10. Charging time: 2-3 hours11. Lithium battery capacity: 350mAh12. Working time: more than 30H/100H (backlight off)13. Lithium battery life: 3 years14. Key force: 80+/-10g15. Key life: 5 million clicks16. Operating temperature: -10 degrees Celsius to +55 degrees Celsius