DUX DUCIS TK Series Wireless Bluetooth Keyboard Tablet Protective Case Features: 1. Not only a protective case, but also a built-in Bluetooth keyboard with more powerful functions 2. The keyboard and leather case can be separated 3. Bluetooth chip, fast speed, low power consumption, stable 4. Precise cut for easy access to all buttons and ports, providing you with smooth operation 5. Easy to insert and remove 6. Note: The package only includes the protective case, tablet PC is not included Product Specifications: 1. Bluetooth connection distance: less than or equal to 10m 2. Working voltage: 3.0-4.2V 3. Working current: less than or equal to 2mA 4. Standby current: less than 0.3mA 5. Charging current: 100mA 6. Working hours: more than 50h 7. Standby time: more than 100 days 8. Charging time: 2-3 hours 9. Battery capacity: 200mAh 10. Battery life: 3 years 11. Working temperature: -10 to and55 degrees Celsius 12. Material: TPUandPUandABS 13. Charging interface: Type-C Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store