Note:<br><b>Not compatible with iPad Air 1st;iPad Mini 1st and 2nd;iPad 1st and 2nd!</b><p> 1.Please note that a USB charging cable is required to charge this device. (included) 2.Avoid dusty,damp,or dirty environments.Avoid magnetic fields.Using the device in these environments may result in circuit malfunctions. 3.Ideal operating temperatures are 5°C to 40°C.Ideal storage temperatures are -10°C to 45°C.Extreme heat or cold may damage your device or accessories. 4.Do not expose your device to direct sunlight(such as a heater,microwave oven,stove,water heater,radiator,or candle. 5.Do not allow children or pets to bite or suck the device or accessories.Doing so may result in damage or explosion.