USAMS BH875 Digital Display Keyboard Protective Cover for iPad Air4/Air5 10.9 inches/iPad Pro 11 inches -Miaoke Series

BT Version: BT 5.2 Operating Voltage: 3.0-4.2V Charging Time: 1-2 hours Modulation Mode: GFSK Battery Capacity: 500mAh Effective Operating Distance: ≤10m Operating System:For iPad OS 15 and above Features: 1. Function as laptop,work easily. 2. Keyboard, magnetic stand, protective cover 3 in 1. 3. Light and portable, travel without burden. 4. Soft backlight mode, convenient to use at night.