X-11B Skin Plain Texture Detachable Bluetooth Keyboard Tablet Case for iPad Pro 11 inch 2020 / 2018, with Pen Slot (Light Purple) Filter-Cable & Adapter there is no loosening and

there is no loosening and shaking

Additional Features Accelerometer Senser

SIM card tray + SIM card tray + Micro SD Card Tray for Huawei Y5 lite (2018)

set recording information and other functions

Fit for PC speaker system

X-11B Skin Plain Texture Detachable Bluetooth Keyboard Tablet Case for iPad Pro 11 inch 2020 / 2018, with Pen Slot (Light Purple) Filter-Cable & Adapter there is no loosening and1. Bluetooth 3. 0 standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK 4. Working voltage: 3. 1 4. 2V 5. Working current: <=3. 0mA 6. Standby current: <0. 3mA 7. Sleep current: <=0. 1mA 8. Charging current: <=200mA 9. Standby time: >=95 days 10. Charging time: <=2 hours 11. Lithium battery capacity: 200mAh 12. Sustainable working time: >=76 hours 13. Lithium battery life: 3 years 14. Button force: 50 80g 15. Key