The massage can help you relieve muscle soreness caused by accumulation of lactic acid after strenous excercise, and relieve the muscles of the sedentary, office workers and fitness excercise groups by high-frequency percussions. 6 adjustable speed levels and 4 replaceable massage heads meet you different needs.The handle of the massager feels comfortable to hold. The massager is wireless and portable and can massage anytime and anywhere.