Feature: 1. RED LED LIGHT MASSAGE: Smart head massager promote circulation on the scalp and alleviate fatigue with the built in red LED light massage function.2. ELECTRIC MASSAGING: Experience the sensation of a real hand massage with the electric massaging feature, relieving tension in the scalp and muscles.3. WATERPROOF DESIGN: Take your relaxation to the next level by using our waterproof scalp massager in the shower. It's designed to meet all your massage needs.4. SMART DESIGN: Enjoy a comfortable massage anytime, anywhere with the mini smart and compact design of our waterproof scalp massager.5. PERFECT FOR HOME USE: Relax and relieve stress at home with our waterproof smart scalp massager, enhancing your overall quality of life. Specification: Item Type: Smart Head Massager . Battery: Built in battery.Material: Silicone; Plastic . Package List: 1 x Massager.1 x Power Cord. Note：Not Suitable For People: 1. People With Severe Damage To Important Organs Such As Heart, Liver, Lungs, Kidneys, Etc. 2. The Elderly, Infirm, In Pain, Especially Those With Deficiency And Heat. 3. People With Mental Illness Or Emotional Instability Should Not Receive Massage. 4. People Who Are Unconscious After Drinking Should Not Receive Massage. 5. People With High Fever Should Not Receive Massage. 6. Patients With Malignant Tumors And AIDS Should Not Receive Massage. 7. Bleeding Diseases Or Bleeding Tendency, Such As Bleeding From Trauma. 8. Women Should Not Receive Massage During Menstrual Period. 9. Those With Damaged Skin, Infection, Burns Or Serious Skin Diseases. 10. Pregnant People Are Prohibited From Having Head Massage.