length:18.5cm Description: Packing:12PCS/inner box,12 boxes/CTN(big brush head paper card) CTN:43*39.5*28.5cm Material:PP+TPR handle and high quality nylon bristle Specification of brush:soft Heat resisting temperature:80 centigrade Features: Advocate scientific health care idea for oral cavity,in the melodious music sound,begin a new day with fresh breath.To use music toothbrush long can wake a wave of the brain up,it is good for the brain to benefit intelligence. Select top-grade nylon for toothbrush,its end has been rubbedd into round specially,take good care of your tooth and gums softly. A handle of slip-resistance with peculiar thumb-shape cushion,help you keep holding handles steadily,rotate freely under wet and slippery. Operation instructions of music toothbrush: A.Take off the rear cover B.Put two button batteries in it,positive,negative electrode. C.Put on the rear cover,it will produce music automatically while brushing teeth. Happiness STUDYING BOY Do not pick flowers aside the road Turkish Match Sinkiang Song Battle Song of the Chinese People is Volunteers Jasmine To Alice Go home often Christmas Carol Lonely Sheepherder all of these 11 can be played circularly. All toothbrushes have sliding-proof handle, attached with 4 batteries. High quality nylon bristle protect gingival. The melodious songs awake the intellective wave. The inside vibrating switch can make music playing when vibrating brush, which make people enjoy the music when brushing teeth.