DUX DUCIS Bluetooth Keyboard Leather Case with Touchpad and Smart Sleep Function For iPad Pro 12.9 202020212022 Features: 1. Not just a protective case, built-in bluetooth keyboard, more powerful 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, giving you smooth operation 5. Touch and smart sleep and stand function, easy to use 6. Easy to insert and remove 7. Tablets are 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 10mA 4. Standby current: less than 0.3mA 5. Charging current: 180mA 6. Uninterrupted operation time: about 30 days 7. Standby time: more than 150 days 8. Charging time: 2-3 hours 9. Lithium battery capacity: less than or equal to 200mAh 10. Lithium battery life: 3 years 11. Working temperature: -10-55 degrees Celsius 12. Material: TPUandPUandABS 13. Charging port: Type-C