Wireless - Easy to Use / Wear anywhere there are 2 belt which are stretchy. The short is 25cm. The long is 50cm. They can be connected together to use. 6 'Smart' Programmed Routines with 10 variables levels of intensity for a complete and personalised workout Tiny Gentle Electronic Pulses are delivered to your muscles Tones your Tummy, Waist, Legs, Arms and Bum Keep in Trim without the Gym Packing Content: 2 Adjustable Waist and Leg Straps Battery Included (plus a spare) Full Instruction Manual Workout Guide IMPORTANT NOTE: THIS PRODUCT IS NOT SUITABLE FOR PREGNANT WOMEN OR PEOPLE WITH A HEART CONDITION.Unbranded/Generic