Keyboard Case for iPad Pro12.9(2021/2020/2018), Slim Lightweight Stand Cover with Detachable Wireless Bluetooth Keyboard Feature This case is compatible with iPad Pro12.9(2021/2020/2018). It will NOT work for any other model device Light weight bluetooth keyboard with 10M range. Smart slim design adds maximum protection with minimal bulk (0.38 in). Supports All-new S Pen magnetic and wireless charging when case is on The removable keyboard is used as part of the stand for the tablet. Move the keyboard more forward or backward along the cover of the case, you can adjust the angle of the tablet to your preference Durable PU leather cover and anti-slip rubber-lined interior provide full protection for your tablet. Premium polycarbonate shell locks your tablet in place and absorbs drops and bumps Real hard laptop style keyboard with high end ABS material. Not cheap silicone keyboard as other cases in market. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touchscreen Specification: 1. Bluetooth 3.0 standard interface 2. Effective operating distance: 10M 3. Modulation mode: GFSK 4. Working voltage: 3.0-4.2v 5. Working current: 100 days 10. Charging time: 2-3 hours 11. Lithium battery capacity: 200MAH 12. Sustainable working hours: > 100 hours 13. Lithium battery life: 3 years 14. Key press force: 80 10g 15. Key life: 5 million clicks Extractor 16. Working temperature: - 10 - + 55 Packet included: 1 * cover 1XUSB Cable