Scalp, Hair Regrowth Comb, Vibration Massage with Red/ Blue LED for Men and Women for Everyday,Required battery 2AA (not included) Feature: Quantity: 1pcs Material:Plastic Color: Blue Product size:12.6×6.5×5.3cm/5×2.5×2in Packing size:15.5×9.5×6cm/6.05×3.71×2.34in Net weight:120g/0.26lb Gross weight:120g/0.26lb Required battery: 2AA (not included) Descrition: Portable Design: Compact design in handy size, this vibrating hairbrush scratcher can be carried along for using anywhere and anytime. Comfortable Grip: Ergonomic design, with a rounded appearance, comfortable grip, use of the hand will not feel fatigue. Vibration Massage: Scalp massage brush is designed with vibration massage to soothe skin and loosen scalp pressure. prevention of statical electricity design, easy to use. Red Blue LED: Red LED light can effectively promote skin absorption of nutrients, relieve body fatigue, and improve sleep quality, and blue LED can soothe sensitive skin. Promote Circulation: scalp massage brush will massage your scalp and head helps improve , promote. Package Content: 1x massage comb 2x tooth comb 1x instruction manual