USB Massage Ball 1.5M USB cable Powered by USB connector you can massage head, arms and legs waist,shoulders and other parts USB Massage Ball Features:1.This massage is powered by USB connector and suitable for computer operating staff. small size, easy to use. 2.1.5 meters long USB cable, motor speed of 4500.3.you can massage head, arms and legs, waist, shoulders and other partsColor Box Packing ...