Mini size, lightweight design, easy to carry.Wireless remote control, compatible with for Android and for iOS system.Built-in rechargeable lithium battery, long standby time.Can be used in mobile phones, tablet PC, computers.Item Name: bluetooth-compatible GamepadMaterial: ABSBluetooth Version: 3.0Supported System: for Android, for iOS, for PCSupported Games: for Android/PC (Gamepad): for NES/GB/GBC/SMD/N64/PSX/MAME, for Android APK Game; for iOS: for iCade GameCPU: ARM968E-S CoreBattery: Rechargeable 3.7V/180mA Lithium Battery (Included)Continuous Gaming Time: about 40 HoursWorking Current: 0.5-4mAStandby Current: 0.5-1mACharging Current: 5V, Shutdown Current: 20uAFeatures: Rechargeable, Remote Control, Easy to UseSize: 73mm x 31mm x 13mm/2.87" x 1.22" x 0.51" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Gamepad1 x User Manual