Feature: 1. Comb teeth vibration massage, promotes the scalp blood circulation, relieve fatigue. 2. Stimulate hair follicle cells, nourish and protect the scalp, improve hair quality. 3. Red light penetrates into hair roots, helping to relieve hair loss, care for hair, and make hair refreshing and healthy. 4. High frequency vibration, multiple massage points, helps to wake up the scalp and relieve stress, strengthen your hair. 5. Conform to ergonomic design, the handle is non-slip and easy to grip, saving effort. Specification: Condition: 100% Brand New Item Type: Head Massage Comb Power Supply Mode: 2 x AA Battery(Not Included) Use time: 5-10 Minutes Use Place: Head Gear Adjustment: 3 Gears Frequency of Use: 2-4 times per day Function: Vibration, color light care Package List: 1 x Head Massage Comb