USB Eye Massager is the latest-designed health care Product specially for the Person which long time use their eyes, Such as the Computer operator. The product could relax the stress of the Eyes. and make your whole body in the situation of the unstressing by the product vibration. Everyone could adjust the speed of the massager's vibration. 1.The power is supplied by the USB Port. 5V Input. 2.The product has the four colors available:Yellow,Red,Blue,and Green.