This listing is for the standard which comes in a pack of2 variant of this product. Your parcel will also be fully insured and trackable. Need more than 1 choose the number of sets in the dropdown to receive a bulk buy discounts up to 20 offthis abdominal muscle trainer can help to tone, tighten and strengthen your body muscles and relieving symptom for tighten shoulder, waist and back. You will be surprise by the unexpected result after trying outfeaturea set include 3 rechargeable host, 1 abdominal pad , 2 arm pad and 1 charging cable.electric muscle stimulator is to transfer the current signal to muscle directly which close to the current strength of our body, promoting muscle movement and making the muscles be in the state of training.thin and lightweight design so that you can have your muscle training not only in the gym, but also in office during your work and in home while you do the housework.6 work modes and 9 levels of intensity for your training demand.you are supposed to train 10minutes a time and 2-3 times a day.built-in rechargeable battery and about 2 hours full charged, and the host will be off automatically when no operation for 10min.great to help relieve symptom for tighten waist, legs and back while promote your muscle movement.specificationmaterial plastic puvoltage 3.7vuse mode 6intensity 9frequency 1-100hzworking time 10mincharging time 2hsizeabdominalpad 20 20cm 7.8 7.8inarm pad 20 6cm 7.8 2.3inhost 6 6 2cm 2.3 2.3 0.7inpackage weight 269g 9.4ozpackage size 22 20.5 3.8cm 8.6 8.0 1.4inyou will receive1 abdominal pad2 arm pad