JELLYBEANS SPORTS "RE:BOOST" EMS Sneakers that stimulate muscles with electricity 24cm Purple All accessories and instructions are included. ⭐︎JELLY BEANS SPORTS brand "RE:BOOST" Sneakers with EMS function EMS (Electrical Muscle Stimulation) By applying weak electrical stimulation to the muscles to contract them, it is possible to gain effects such as strengthening muscles, preventing muscle atrophy, and suppressing spasms. This is a new style of product that allows you to care for your muscles anytime, anywhere. The product will be packed in its original box and shipped. *The box has some scratches. Thank you for your consideration.