Description:Relieving symptom for tighten shoulder, waist and back,the low frequency treatment is by rhythm and soft impetus. stimulations fat burning, muscle build, for fitness shape. 8-point pad, more comprehensive and more balanced.Betterment of muscular paralysis.Build muscle, buile futness shape, keep fit.It's light and portable. do muscle training in office, bedroom, or any place you want, not just in gym. :Material: ABS The soft design of the patch with the skin fit. The pad derive is odorlessand no harm to your skin. attach it to your body one time per day, easily achieve your exercise target by using time, convenient and practical.Arm Sticker: 205x60mm/8.07x2.36inchAbdominal Sticker: 195x193mm/7.68x7.60inchPackage Includes:As You Choose1 Piece Abdominal Toning Belt + 1 Piece Holder1 Piece Arm Toning Belt + 1 Piece HolderNote:Note: Use AAA (not included)1. Not suitable for the men whose body has ce Aids, like heart pacemaker etc.2. Epilepsy or seizures sufferer do not use it.3. The person who just finished the surgical operation do not use it.4. No using when driving, or operating the machine.