This electric foot massager is made of ABS material, dimension 3128.56.3cm. Built-in 2200mAh rechargeable battery, working voltage 7.4V/5V, rated power 25W. It offers tapping, kneading massage plus constant 42℃ heating therapy. There are 3 massage modes and 3 adjustable intensity levels for personalized massage experience. Effectively soothe foot tension, relieve muscle soreness after long time standing or walking. Suitable for home and office use, great gift for family.