The Electric Vibrating Scalp Brush Comb is a handheld, rechargeable USB massager designed for the scalp and head. With a single massage head and a power source of USB charging, it provides a soothing vibrating massage for 2 hours on a single charge. Made of plastic and measuring 7 inches in length, 5 inches in height, and 2 inches in width, this electric scalp massage comb is lightweight at 0.5 lbs. The white color and CE certification make it a safe and stylish addition to your personal care routine, backed by a 1-year manufacturer warranty.