SONIC, sonic slimming means the sonic machine distributes certain frequency and certain amount of sonnic wave under the skin , to make the fluid inside and outside cells produce many voids . when these voids occur explosion,will result in the cells break down. Parameter Size: 83 * 105 * 95mm Material Body: ABS Power:5W DC: 9.0V 1.0A Package: 1x Main unit 1x Charging bench 1x Power adapter 1x English Mannul