1,mifi portable wireless 2,USB charging 3,long time working DetailsPlatform *Operating systemLinuxCharacteristic *TypeMiFi-3G/Wifi Router *Dimensions100.8mm×54.0mm×17.3mm *LED displaypower,system,3G signal,wifi signal. *Required Keysone side key,one inside key *Battery1500mAh Lithium battery *Terminal SupportGame machine, Digital Camera, IPad, Mobile Phone have WiFi network function-digital ...