Features10 LEVELS: Abs stimulator features 10 strength levels ranging from warm up to high strength exercise and finally to relaxation. The abs stimulator can be used anywhere, anytime, as it is small enough to fit in a briefcase. 2ADHESIVE: The gel sheets pads replacement for the gel pad are premium glue. Good viscosity. When you feel the gel sheets pad is not stick about using 15 to 30 times, you need to replace it. 3PU MATERIAL: Soft and light PU material can be very good skin tight fit, help you complete more fitness projects, designed for abdominal, arms, legs, hip, waist muscle training. 4PVC MATERIAL: Flexible PVC bottom layer can limit PU tension, combined to give you an unexpected comfort experience, and silver slurry conductive coating. 5USAGE: Use abs stimulator for 12 minutes per time. 12 minutes using equal to 1500m running or 30 minutes swimming. You will see the effectiveness by 2 months consecutive using (2 to 4 times per day).SpecificationItem Type: Abs StimulatorMaterial: PU, PVCBattery: 2pcs AAA baterries are required for one host. There are 3 hosts in total (need to bring your own) (shipped without batteries)Package List1 x Large Abs Stimulator 2 x Small Abs Stimulator 3 x Host 1 x Instruction Book