The Smart Massager (known as Massage gun) is a portable device that can massage your muscles everywhere. You can use it to relieve muscle stiffness, pain, and ease fatigue, and quicken blood circulation by its 4 different massage heads and 5 different hit level to make the soft tissues of your body healthier. The Smart Massager guns are just 415g net weight and small size as iPhone 12, which are easy to portable and using. For 3 hr charging may use up to 3 days. , , Portable, Small Size and High Torque, Low noise motor <40dB Mute performance, 4 various massage heads, 5 modes variable speed adjustment, Type-C Interface charging cable