Desktop computer switch, of the button on the old computer, the switch can restart the power indicator and external USB components on the desktop, so the startup is more convenient and the can be more . The RGB dynamic light effect is by 4 RGB-LEDs by the MCU, and the effect is displayed at the moment of power-on and then converted to a dynamic spectrum , which is more coordinated with the water-cooled chassis and RGB keyboard and mouse . The button configuration is turned on and restarted, and the RGB light will go out after the is turned on and turned off The dual USB20 interface is led out from the motherboard, does not occupy the backplane interface, can be connected to peripherals such as U disk, keyboard, mouse, etc ., and can also charge the mobile phone Adhesive type with adhesive at them, just on the desktop, it is recommended users or Internet cafes to rebuild Product: power switch button Fixing : paste, screw Front interface: USB2 .0 Screw size: 25mm in diameter and 48mm in length Switch cord length: 110cm Extension cord length: 35cm colour:Black Material:metal size:77 x 25MM Package Contents: 1 x switch button 1 x switching cable Only the above package content, other are not included . Note: Light and different displays may cause the color of the item in the a little different from the real thing . The measurement allowed error is +/- 1-3cm .