When the motherboard RGB interface is connected, the device and the motherboard four pins change color synchronously. When not connected, manual buttons can be used for control. The conversion wizard & manual controller function is two-in-one. Can synchronize motherboard lighting control: Support for , for , for , for motherboards, controlled by the motherboard, 5V/3Pin D-RGB lighting control interface connected to the motherboard 12V/4Pin RGB interface, can synchronize lighting with other RGB products. The 5V ARGB device can be controlled by the 12V RGB motherboard and change color synchronously with RGB. At the same time, the controller button can also be used to control the device color change. (Because the light only have a single color mode when the motherboard is synchronized with 12V because the 12V interface has no rainbow color). The converter can also be used as a manual controller to manually control the color and change speed, and can also be connected to the chassis to restart the key to control the color change. Note: 5V ADD-RGB can be converted to 12V RGB light. Some motherboard models do not support neon and breathing modes after conversion. Color: Black Material: plastic Package Contents: 1 x RGB Converter 2 x cable 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.