Ultra-thin Detachable Backlight Bluetooth Keyboard Leather Tablet Case with Touchpad 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 3.0 standard interface 2. Effective operating distance: 10m 3. Modulation method: GFSK 4. Operating voltage: 3.0-4.2V 5. Operating 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: 3-4 hours 11. Lithium battery capacity: 200mAh 12. Continuous operating time: 100 hours 13. Lithium battery life: 3 years 14. Key force: 80+-10g 15. Key life: 5 million clicks 16. Operating temperature: -10 to +55 degrees Celsius 17. Product dimensions: 31x23x2cm 18. Weight: 817g 19. Keyboard with touchpad for easy operation 20. Type-C charging port