New 3D Waterproof Electric Head Massager Wireless Scalp Massage Promote Hair Growth Body Deep Tissue Kneading VibratingProduct 2019 new waterproof Electric Head Massager Wireless Scalp Massage Promote Hair Growth Body Deep Tissue Kneading Vibrating Health Care Features: 1: Upgraded version, curved handle, more comfortable; 2: Food grade silicone massage head, environmental ABS body, high grade and luxury items; 3: USB charging, charge 2 hours , use 10 min a day, can last for 7 days; 4: Waterproof Scalp Massager featuring deep tissue kneading with personalized speed