[Hyperthermia technology] There are three temperature settings: low temperature, medium temperature, and high temperature. It the hole and performs magnetic , heats up quickly for 3 seconds, warms the[Various modes to choose from] 6 selectable modes to approach the muscles of the lower back. In addition, the strength level can be selected from 16 levels, so you can stimulate your muscles with your favorite feel and strength.Product include[Convenient to carry] Ultra-lightweight of 0.3 kg, convenient to carry wherever you go. It doesn't feel heavy when you wear it, it doesn't get in the way when you work, and it makes you feel warm anytime, anywhere.Features1x Coin-type lithium battery for remote control1x Remote control1x Main unitlower back, massages and loosens muscle pain, relieves stress, , etc.[Cordless design, USB rechargeable] The massager uses ergonomic technology, fits the curve of the human body, has no gaps, is close to the skin, and feels warm. The cordless design makes it easy to use when watching TV or reading a book on your sofa at home.1x USB cord for charging