It&#39;s light weight and portable. You can do muscle training in office, bedroom, or any place you want, not just in gym. Just attach it to your body one time per day, then you can easily achieve your exercise target, convenient and practical. The soft design of the patch perfectly fit with the skin, and the pad derive is odorless, no harm to your skin.<br/>Features:<br />Perfect for your abs and arm muscles training.<br />Achieve your perfect figure anytime and anywhere, more comfortable, more efficient.<br />Relieving symptom for tighten shoulder, waist and back.<br />The low frequency treatments is by rhythm and soft impetus.<br />The soft design of the patch perfectly fit with the skin, and the pad derive is odorless, no harm to your skin.<br />Just attach it to your body one time per day, then you can easily achieve your exercise target, convenient and practical.<br/>Specifications:<br />Main color: black<br />Main material: PU, ABS<br />Battery: 3.7V, 220mAh battery for each host<br />Item size:<br />Abdomen sticker: 590 * 200mm / 23.2 * 7.9in<br />Arm sticker: 200 * 70mm / 7.9 * 2.8in<br />Host size: 65 * 65 * 16mm / 2.6 * 2.6 * 0.7in<br />Package size: 260 * 190 * 46mm / 10.2 * 7.5 * 1.8in<br />Package weight: 361g / 12.7ounce<br/>Note:<br />Please allowa a little difference due to manual measurement.<br/>Packing List:<br />1 * Abdomen Sticker<br />2 * Arm Sticker<br />3 * Host<br />1 * USB Cable