... a bluetooth keyboard 2,a Ipad bag 3,a list of manual 4,USB charging cable 1,with Broadcom2042 as main control chip, with Bluetooth 2.0 interface.2, ... specified software gy Microsoft official.3,Specially design for IPAD, It will be more convenient to carry with IPAD bag.4,Built-in power ... -55°C humidity:20%-50%9,Built-in lithium battery, you do not need to frequently change battery bluetooth keyboard