feature: 1. USB charging: USB rechargeable built-in lithium ion battery And USB cable, which not only reduces the cost While changing the battery frequently, it also protects environment. Increased machine exercise intensity Compared with battery-powered products, it is reduced by 50%. completely Charge for 1 hour, can work continuously for 3 to 4 You can charge this muscle stimulator in a few hours Laptop or 2. Fat burning and muscle conditioning and body sculpting: continuous Using this product for 8 to 10 weeks showed obvious Influence. 2 to 4 times a day, 20 minutes per hour. 60 minutes Sit-ups and swimming for half an hour and two weeks Dieting. This muscle conditioning can help tone, tighten and Strengthen the muscles of your body. You will be able to Get a better contour after continuous use The product is about 2 months old. model: Mode 1: When the white light below is on Mode 2: When the white light above is on Mode 3: When two white lights are on Mode 4: When the blue light below is on Mode 5: When the blue light above is on Mode 6: When two blue lights are on Function: 1.Mode 1 & 2 fat burning In these two modes, the muscles exercise vigorously, Burn fat quickly. 2.Mode 3 & 4 muscle growth Strong elastic movement, deep stimulation support Muscle growth. 3.Mode 5 & 6 body sculpting These two modes are composite modes and help to build Perfect body.