Simple operation, responsive. Thin and portable, easy to carry. All-inclusive protection, and stable support. Magnetic adsorption, detachable keyboard, dual-magnet design, stable and not falling. Chocolate keys, comfortable percussion. Supports a variety of touch Gestures, and easy to operate tablet. Compatible with Samsung Galaxy Tab A9 SM-X210, SM-X215, SM-X216 2-in-1 design, it is not only a Bluetooth keyboard protector but also a tablet case The Bluetooth keyboard has a touchpad, with long-lasting button life, durable to use The keyboard has a built-in lithium battery, convenient to charge and use Can be converted to a supporting stand for hands-free movie watching and web surfing Strong magnetic absorption at the keyboard position, and the keyboard wont move easily The leather case is made of PU leatherABSTPU materials, durable for long service life Specifications Bluetooth Connection Distance le10m Operation Voltage 3.04.2V Operation Current lt2mA Standby Current lt0.3mA Shutdown Current lt40muA Charging Current 100mA Uninterrupted Operation Time gt50 hours Standby Time gt 100 days Charging Time 2-3 hours Lithium Battery Capacity 200mAh Lithium Battery Life 3 years Operating Temperature -10 to 55 Materials TPUPU ABS