For Microsoft Surface Pro 7+ / 7 / 6 1109-D Ultra-thin Detachable Backlight Bluetooth Keyboard Leather Tablet Case with Touchpad(Black)

1. Multi-angle stable support to meet the needs of different angles.
2. Detachable keyboard, more convenient to use.
3. All-round protection, to prevent the four corners of the equipment from bumping, wear and tear.
4. Low-noise keys do not disturb others.
5. Bluetooth chip, stable connection, fast speed and low power consumption.

Parameters:
1. Bluetooth standard interface
2. Effective distance: less than 10 meters
3. Standby current: less than or equal to 0.3mA
4. Working current: less than or equal to 9mA (full load working current)
5. Sleep current: less than or equal to 40UA
6. Charging current: 200mA+/-10mA
7. Working voltage: 3.2V-4.2V
8. Charging time: 2H-3H
9. Charging port: Type-C interface