Z11B-A Pen Slot Touchpad Bluetooth Keyboard Leather Tablet Case For iPad Pro 11 2021/2020/2018(Black) Filter-Microphone when normally connected to the

when normally connected to the Internet

0 Bluetooth Receiver Transmitter x 1

the two compartments both allow you store 3SIM + 2XQD + 2CF + 2TF + 2SD CARD

your voice sounds clearer in a noisy environment

providing 3D stereo surround sound

Z11B-A Pen Slot Touchpad Bluetooth Keyboard Leather Tablet Case For iPad Pro 11 2021/2020/2018(Black) Filter-Microphone when normally connected to the1. Bluetooth standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK 4. Working voltage: 3. 7 4. 0V 5. Working current: <8MA 6. Standby current: <0. 3MA 7. Sleep current: <50UA 8. Charging current: >200mA 9. Standby time: >100 days 10. Charging time: 2 3 hours 11. Lithium battery capacity: 200mAh 12. Sustainable working hours: >30 hours 13. Lithium battery life: 3 years 14. Button force: 80+ 10g 15. Button life: 5