Product Size: 19.8*17.6*0.1cm color: blue Material:PU Package content: 1* fitness instrument abdominal muscle post 1.What Benefits You Get? Abdominal trainer for muscle training and body slimming; This muscle trainer can help to tighten and strenghten your muscles, you can gain better body figure after consecutive use of abdominal toner about 2 months. 2.What Function EMS Technology Fulfils? EMS (Electrical Muscle Stimulation) through current stimulation, directly send signal to muscles, and promote muscle movement. All you have to do is to fit the abdominal toner to your body and let it exercise your muscles. 3.What Effects You Will Have? Use ab toning belt 20 minutes per session (no need to spend a lot of time and sweat), but the effect equals to 2000M running, 30 minutes of sit-ups, 30 minutes of free swimming, 2 weeks of diet. 4.What Features You Count On? Abdominal belt is super light, ultra thin, convenient to carry on, abdominal exerciser can be worn unobtrusively under your clothes; Exercise while reading or doing household chores, or even during business or leisure trips. 5.Easy to Use - This Ultimate ABS Stimulator defaults to 20 minutes and automatically turns off the power after no operation.It"s designed with power self-check function. Only when you stick the gel pads to your body, can the controller start working.