Metal Manual Roller Massager is great for face and full body use. No need to recharge, you can massage anytime and anywhere, very convenient and easy to clean. It can be used as a massager for neck and shoulders to relieve fatigue, or as a beauty tool to tighten facial and body muscles. This massager adopts 3D double ball design, which is suitable for home gifts and also very suitable for beauty organizations as company promotional gifts.