Size:73mmx31mmx13mmWireless:Bluetooth 3.0 compliantWireless distance:2-10mCompatible with iOS, Android system and PCCPU:ARM968E-S CoreBattery:Li-battery 3.7V 180mAContinuous game time: About 40 hoursWorking current:0.5~4mAStandby current:0.5-1mACharging current:5V <200mAShutDown Current:<20uA