Ergonomic design for enhanced grip - not tired after playing for a long time Six axis body sensing fourth gear vibration Three gear continuous firing manual continuous firing automatic continuous firing close continuous firing Double click the macro switch on the front of the handle to turn on / off Electronic competition level rocker | eliminate drift 8 mechanical buttons 5 million keystrokes life Behind the macro programming function Burst function Support joystick sensitivity adjustment Colour:White Material:ABS Size:19 x 19 x 7cm Package Contents: 2 x Handle (a pair) 1 x protective shell