Material - ABS, Plastic, Vibrating motor, Belt , Power Adaptor. Vibration Light weight & easy to use Extendable Belt to fit any Waist Material - ABS, Plastic, Vibrating motor, Belt , Power Adaptor. Vibration with heating and slimming belt Compact and portable design Massager has 4 Modes and 3 Speed levels Low power consumption - 15 minutes auto cut off cycle Extendable belt to fit any waist size 2pcs vibration motor at each side gives high speed vibration 1pc motor in the middle to massage Helps to lose weight With a adapter DC12V, 2AHow to use: Tie up massager belt around massage area. Insert power plug into the wall socket of compatible power source. Use + and - button for increasing and decreasing speed of vibration respectively.Benefits: The massager belt is used not only for slimming but this multi functional belt will also help you in improving blood circulation and reducing pain. You can use it on your back to reduce back pain and your shoulders to reduce muscle stiffness.