Features: 9 heating and vibration levels can be selected, and you can choose the right gear to match according to your needs. Help save sagging skin, fat chin, facial edema, under-eye bags. Multiple uses for shoulder and neck, leg, back, arm. Micro-current massage, soothes your frazzled nerve, regain your serenity, relax muscle, and assit dormancy. Perfect size, lightweight and comfortable to hold, convenient for you to carry. USB Rechargeable, easy and convenient for you to make it full of power. Specification: Color: White Rated Voltage: 3.7V Rated Power: 3W Temperature range: 40-55 Gear: 9 levels Item Size: Approx. 100 * 80 * 20MM Package Size: Approx. 130 * 100 * 60mm Package Weight: Approx. 216g Package List: 1 * Roller Massager 1 * USB Charging Cable