Specification: Material: Plastic Color: Black, White Functions: Bluetooth Bluetooth Version: V3.0 Features: Charger Charging completion time: About 3 hours Battery Capacity: 400mAh Electric Current: 600mAh Compatible with: Tablet PC, Smartphone, MIMU TV Box, MIMU TV Usb Cable Length: 52cm/20.47"(appr.) Size: (L)X(W)X(H) 14X10X6cm/5.51"X3.94"X2.36"(appr.) Features and high quality. Android Compatibility, support Android 3.2 or above system devices. Bluetooth 3.0, wireless transmission can be operated within 10 meters. Download supportive games (Andoid system without root), mobile phone connects directly without root, without having to install drivers or set up the key mapping. Comfortable keys feel, dual analog joystick, precise cross key and 14 action buttons. Smart power-saving sleep mode, effectively enhance the efficiency of the battery. Up to hundreds of games, not only can support Android platform games, but also the classic arcade game emulator. Attention: Also compatible with iOS system, but your phone need to make a jailbreaking. How to connect the bluetooth: 1.Long press the X key, then press the HOME key,signal light will flash. 2.Start Bluetooth setting screen of android devices, and boot your smart phone Bluetooth,click Bluetooth search. 3.When Android devices searches out the Bluetooth called Bluetooth Gamepad,click match and connect. Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.