... ,Bristles in different colors 3,OEM accepted 4,Eco-friendly Electric toothbrush head features:1,Musical toothbrush head:According to the ... a cup shape brush head,about 1 cm in diameter Classic design2.whenbrushing the brush just wrap in a hold tooth ... -BE005-3X,ET-BE004,ET-RE001,ET-MT001,ET-ME002. Electric toothbrush head