1.Built-in with seven LEDs with blinking function which are controlled by a switch on the back of the gamepad.Configured with a jack for earphone and microphone input supporting the earphone, with sound output and chat online functions.2.The asymmetrical design of the joystick, Ergonomic design. Controllers delivers high sensitivity and fast response overall performance with good tactile feedback for maximum comfort and endless gaming experience.3.Two vibration motors and 4 direction keys on the 8-direction D-pad help you stay in control, and the player feels like they are on the battle field.4.With the 2.4 GHZ wireless connection technology.It make the connection distance up to 8 meters(about 26 feet). Use up to four wireless Vedio Gamepad can be connected to a console simultaneously, four LEDs indicate four players.