Rated power :3W Charging voltage :5V Product size :19x5.5cm/ 7.5x2.2 inches Operating voltage :3.7V Charging time: about 3 hours Working hours :90 minutes Specifications: Introducing the Cross-border Electric Massage Comb for Hair Loss Prevention and Scalp Stimulation Are you tired of dealing with hair loss and looking for an effective solution? Look no further! We are thrilled to introduce our Cross-border Electric Massage Comb, specially designed to combat hair loss and promote scalp health. Featuring advanced technology, this comb combines the of scalp stimulation and meridian massage to improve blood circulation and nourish hair follicles, reducing hair loss significantly. It works by stimulating the scalp, increasing nutrient supply to the hair follicles, and promoting hair growth. But that's not all! This multifunctional comb also incorporates light therapy for hair care. By utilizing different wavelengths of colored light, it enhances scalp health, stimulates hair growth, and improves overall hair quality. Designed with your comfort in mind, our massage comb features a soft and gentle massage head, ensuring a pleasant and relaxing experience. It's user-friendly and can be easily powered through charging or batteries, making it convenient to use at home or on the go. With its durable construction and high-quality materials, this massage comb is built to last. It's also easy to clean and maintain, ensuring hassle-free use for an extended period. Say goodbye to hair loss and hello to healthier, fuller hair with our Cross-border Electric Massage Comb. Try it today and experience the transformative for yourself! Package Included: 1*Therabrush