Overview: Small volume, beautiful shape & easy to carry. It effectively cleans the dandruff & dust in the hair & promote the head's blood circulation in order to prevent shedding hair or breaking of hair. keep you fresh & nice all the time. Specification: Electric Vibrating Scalp Massager comb for Circulation Perfect for relaxing, releasing stress & promoting blood circulation Simply press the blue top & the massaging comb vibrates & provides a gentle breeze Powered by 2 x AA batteries (not included) Promotes blood circulation of scalp, which stimulates hair growth Unit dimension: 76 x 78mm Unit net weight: 102g In gift box packaging