The Pursonic KTR231 is a wearable trainer that was specifically engineered to contract your abs and other specific parts of the body, just as you would experience in a regular workout. The wearable trainer was specifically engineered to contract your abs and other specific parts of the body, just as you would experience in a regular workout. Wireless USB rechargeable Abs stimulator sends safe electrical currents directly to your muscles which will mimic the contractions gained in a regular workout absolutely safe to use after childbirth to tighten the tone and abdominal muscles. 6 massaging frequencies with 10 strength modes. The high-tech low-frequency pulse relieves muscle pain while stimulating the muscle. Use on all areas of your body; arms, abs, waist, neck, back, and more. Can be used as a massager and also for fitness. Master Carton Dims: 25 LBS x14"x19"x20"