Note: When you test the keys and find that the M2 key is no any responds, don't worry, it is not broken. It's because that the M2 key is designed for gunfight games to adjust the speed of the joystick, which needs to be used in the V3 software and not every games support this function. In the V3 mode, hold down the M2 button, the joystick , release the button, the joystick back to the original state. In gunfight games, this function is good, when you pick up the to aim, the speed to help me aim at the target. If you find the controller can't be turn onwhen you first use it , You can use a needle to insert into this hole to reset the gamepad. The controller be re- active. Color: Red & Blue Material: ABS Package Contents: 1 * mobile game controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.