USB mini salt lamp is a computer friendly soft glowing salt lamp, best for Light Therapy. Starline’s expert craftsmen made it from the selected pink and white Himalayan salt rocks equipped with a multicolor RGB LED, USB cord and plug. Simply plug into the USB port of your computer or laptop. While your computer is on, this unique USB salt lamp reduces electro-magnetic pollution effect and help toimprove your concentration and keep the air around you healthful, clean, ionized naturally, and energetic. Multicolor RGB LED in USB salt lamps beautifully glows in eye-catching colors between Red, Green, Blue, Yellow, Violet and Orange which makes it an a natural Light Therapy (Chromo Therapy) lamp. It makes an attractive addition to any home and workspace.