: Features:1.Same as Fast Abs2.Ten minutes is the equivalent of 600 sit-ups!3. Wireless - Easy to Use / Wear anywhere4.6 'Smart' Programmed Routines with 10 variables levels of intensity for a complete and personalised workout5.Tiny Gentle Electronic Pulses are delivered to your muscles6.Tones your Tummy， Waist， Legs， Arms and Bum7.Comes with 2 Adjustable Waist and Leg Straps8.Battery Included 9.Full Instruction Manual and Workout Guide10.Proven for Fantastic Results12.Keep in Trim without the Gym13.there are 2 belts. one short is 25cm. one long is 50cm. all is 75cm， it's can connected together to use.and there are stretchy. it's can more longer. NOTE: This product is not suitable for pregnant women or people with a heart disease. Package inckuded:1 X Muscle toning belt 2 X Belt 2 X Cell battery 1 X User manual in English