Sevencool Calf massage device

Features:(1)Airbag compression massage deeply relaxes muscles andrelieves fatigue and soreness.(2)Constant-temperature heat therapy boosts local bloodcirculation and soothes muscle spasms. (3)Prevents and reduces edema, easing leg swelling and heaviness caused by prolonged sitting or standing.(4)Assists in preventing varicose veins. (5)Post-exercise recovery: accelerates muscle recovery and reduces soreness.Specifications:(1)Product size: 340*210*60 mm(2)Working voltage: 3.7V(3)Input voltage: DC5V(4)Rated power: 9W(5)Battery capacity: 3600mAh/3.7V(6)Net weight: 509g(7)Massage gear: third gear