Features: 1. Deep scalp and stress relieving massage: Scalp massager features 4 massage heads with 24 individual nodes and 3D Deep-Kneading,perfectly fits the scalp and provides a gently kneading 360massage experience. 2. 5 massage modes: The head massager Forward low speed and high-speed mode, reverse low speed and high-speed mode, alternating forward and reverse high-speed mode can be for a stimulating three-dimensional finger kneading massage experience intended to provide soothing relief. 3. Comfortable Use: The head massager works by mimicking human to help quickly reduce soreness and stiffness. The massage stimulation will increase blood flow to help tone and soften the skin. 4. Waterproof & 5 Modes-Dry and wet dual : IPX7 grade of waterproof, this means that you can enjoy a comfortable scalp massage in the shower, and it is also convenient to clean the head massager. The four massage heads can be removed and cleaned separately. 5. Ergonomic design: The head massage device conforms to the ergonomic design, and has a unique anti- thread, increase the friction so that you can better hold it when using, prevent it from slipping. Description: Increase blood circulation to the scalp, boosting hair growth,promoting relaxation, releasing stress, and relieving sore. Specifications: Size: 11x9x8cm Battery: 1500MAH Color: Green Material: plastic Package Contents: 1 x Massager 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.