Ten minutes on it is the equivalent of 600 sit-ups!<br /><br />Wireless - Easy to Use / Wear anywhere<br />there are 2 belt which are stretchy.<br />The short is 25cm.  The long is 50cm. <br />They can be connected together to use.<br /><br />6 'Smart' Programmed Routines with 10 variables levels of intensity for a complete and personalised workout<br /><br />Tiny Gentle Electronic Pulses are delivered to your muscles<br />Tones your Tummy、 Waist、 Legs、 Arms and Bum <br />Keep in Trim without the Gym<br /><br />Packing Content:<br /><br />Gel<br />2 Adjustable Waist and Leg Straps<br />Battery Included (plus a spare)<br />Full Instruction Manual<br />Workout Guide