ABS Stimulator, Ab Machine

https://amzn.to/3pSVbyn
Stimulate Muscles for Flat Stomach - Ab Toning Belt adopts EMS (Electrical Muscle Stimulation) technology to trim your waist size. It generates safe, gentle electrical pulses at regular intervals, which contract or relax the abs muscles and side waist flab and promising true results when used regularly for 4 weeks.