Jiyuetang Electric Heating Belt Protective Belt Aunt Artifact Hot Massage Belt $ 29.51 Details: Power supply mode: USB Control method: Mechanical Gear position: 3 gears Massage principle: Heating Number of massage heads: 4 and below Color: White, pink, green Charging time: About 2.5 hours Working mode: Heating/vibration Vibration mode: 3 levels adjustment Heating mode: 3 levels adjustment Rated voltage: 5V Rated current: 2A Rated power: 10W