X-11BS Skin Plain Texture Detachable Bluetooth Keyboard Tablet Case for iPad Pro 11 inch 2020 / 2018, with Pen Slot & Backlight (Black) Tag-Cooling Fan Tin-plated interface

Tin-plated interface

suitable for Macbook (USB Type-C)

it will not slide back and forth after being fixed

The fan is designed in the middle of the heat sink

X-11BS Skin Plain Texture Detachable Bluetooth Keyboard Tablet Case for iPad Pro 11 inch 2020 / 2018, with Pen Slot & Backlight (Black) Tag-Cooling Fan Tin-plated interface1. Bluetooth 3. 0 standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK 4. Working voltage: 3. 1 4. 2V 5. Working current: about 3. 0mA 6. Standby current: about 0. 3mA 7. Sleep current: about 0. 1mA 8. Charging current: about 200mA 9. Standby time: about 95 days 10. Charging time: about 2 hours 11. Lithium battery capacity: 400mAh 12. Sustainable working time: about 76 hours 13. Lithium battery life: 3 years 14.