What is an electronic muscle stimulator? Electronic muscle stimulation trains muscles in a way that traditional exercise cannot achieve. It sends electronic pulses to your motor nerves to produce muscle contractions. When electric muscle stimulation is added to your training, it can help you maximize muscle exercise by absorbing a larger proportion of muscle fibers. can help you improve training efficiency and thus enhance fitness outcomes. Why is good ? Muscle electrical stimulation can not only improve and promote muscle performance, but also alleviate pain caused by muscle soreness caused by exercise or normal family work activities. How long does it take for to see the results? About two to four weeks. The targeted body part will feel like undergoing a vigorous exercise, but the results will not be immediately noticeable. After your last workout, you can start seeing the effect in about two to four weeks, usually peaking around six weeks after your last workout. [Comfortable to wear] Built in gel pad, no burn, no skin irritation. You can take it anywhere, such as training in air on sunny , or using it comfortably . Why choose the Ab stimulation band? We use our high-performance system to shape your body in just 20 minutes per week. There are different modes and intensities that can be used to enhance muscle endurance and strength. First, start with a low intensity warm-up mode, and then choose your preferred mode and level when you are used to it. size: 118 x 17cm Material: Composites colour: black Package Contents: 1 x Ab stimulation band Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.