Best gift for men and women!! The USB Rechargeable muscle trainer is easy to Use: Features : Unisex for Man & Women EMS technology to exercise muscle safely Anywhere For home gym exercise workout training 6 toning programs, 15 levels of intensity. Remote control by simple button High quality Leather Material. No need extra gel sheets . Conductivity improves 30% 30 minutes per day, fast and easy to shape body curve, build a strong figure, Surprise Yourself!! Package - Ab Toning Remote controller - Ab Toning Belt - 4 Set Free Gel sheets (you can choose to use or not) - Instruction Manual Note: 1. Do not use it when you are sleeping 2. The following people are not allowed to use the product or it may cause accidents, the problems of skin and body. -Internally transplanted electronic medical device, such as pacemakers. -Electronic medical life-support equipment such as artificial cardiopuimonary machine. -Electronic medical devices attached to the body such as electroncardiogram scanner. -Women who are pregnant or give birth to babies recently.