Features:_x005fWith a 6ml serum container in the middle of the brush, it can help you apply essential oils evenly and easily while massaging the scalp. _x005fTooth tip massage: The massage relaxes the head muscles and continuously removes debris, dirt, and oil from the scalp. All you have to do is move it to different parts of your scalp while the bristles do all the work. It feels like a smooth, continuous pinching and releasing in a comfortable way. The massage feels especially good around the back of the scalp and neck._x005fWaterproof, no problem with rinsing, super waterproof performance, clean, hygienic, non-clogging, safe and comfortable._x005fRed light works directly in the dermis to promote increased collagen and elastin production. Notice improved skin elasticity and texture with regular red light treatments._x005fPerfect for on-the-go hair care, it's an excellent choice as a thoughtful gift for family and friends on birthdays, as souvenirs. _x005fNote:_x005f1.Actual color may be slightly different from the image due to different light effect_x005f2.Please allow 1-3cm deviation due to manual measurement_x005f _x005fSize: 21x8.5x5.7CM_x005fRated voltage: 3.7V_x005fRated power: 5W_x005fBattery capacity: 1400mAh_x005fCharging interface: Type-C_x005fPackage: Electronic red light hair massager USB charging cable storage bag manual color box Packing list:_x005f1 Set electronic red light hair massager