Scalp Massager - 3D Deep-Kneading Perfectly fit the scalp Hand-simulation and fully massage head.Increase blood circulation to the scalp Boosting hair growth Promoting relaxation Releasing stress and relieving sore. Relieve Fatigue - Help you relieve headache and dizziness caused by lack of sleep Too much work pressure and long-distance driving. Ergonomic Design - Product reference hand radian Fashion simple 4 massage methods 1 button operation. Easy To Carry - Compact Design USB charging mode Long use time It is the best choice for you to relax your head and neck during travel Long-distance driving And work. It Can Be Heated To 42 ℃ - The appropriate temperature so that you will not feel cold in winter Heat can make you more relaxed But note that it is not waterproof Do not use it in the bath.