【Deep Scalp Massager】84 Massage Nodes 4 Roller Wheels Durable and Comfortable 3D deep kneading design follows the contour of the head and provides hand simulation massage with 4 great massage modes to simulate hair growth, blood circulation and release stress, making you fall asleep soon 【ONE-BUTTON OPERATION】Easy to use One-button control to turn on/off (long press) and switch massage modes between clockwise, counterclockwise, high and low speed rotation (short press) 【More Functions, Less Pressure】It can be used for head massage, face massage, neck massage, arm massage, etc. It can be used by the whole family, effectively relieving the exhaustion of study and work 【IPX7 WATERPROOF】 Wet and dry use You can also enjoy head massage and body massage after taking a shower (please do not soak the massager in water) The massage nodes can be removed for washing 【Wireless & Portable】 Get one full charge and you will enjoy 2 hours massage at home, office, airplane and on vacation without annoying cord. The charging base is separate from the massager (the charging indicator will light when charging).