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 fingers 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.