The metal manual roller massager is perfect for face and full body use. It does not need to be recharged, it can be massaged anytime and anywhere, and it is very convenient and easy to clean. It can be used as a massager to massage the shoulders and neck, relieve fatigue, or as a beauty tool to tighten the facial and body muscles. With a 3D double-ball design, this massager is perfect for both home gifts and beauty institutions as corporate promotional gifts.