Qess Electric Scalp Massager Brush is made of ABS, TPE and PP soft comb material. Simply press a button to relax your head and neck, deeply cleanse the scalp, promote circulation and without hurting the scalp. Ergonomic shaped design is comfortable to hold and convenient for single-handed operation. Powered by 2 AAA batteries (No included) and easy to disassemble and clean. Obvious imprint area is perfect to show your brand and logo.