Porodo Lifestyle Red Light Therapy Scalp Massage Comb is used to provide a relaxing and rejuvenating experience for the scalp while providing red-light therapy for stimulating hair growth. The 360° scalp massage ensures every scalp is thoroughly massaged. Having adjustable massage modes allows the user to change massage intensity according to preference. Oil application is maximized during the massage, nourishing the scalp. It has a 3mL liquid tank, enabling the comb to be used for multiple treatments. For safety an auto shut-off feature turns off the device after the set time to prevent overuse. The Type-C charging interface allows quick charging. The 1400mAh battery capacity offers 40 minutes of operation after a single charge.