Ultrasonic electric toothbrush can efficiently get rid of plaque and reduce gingival necrosis. The look of the 3D brush adapts to the of the teeth. The small and delicate brush head is simple to the contact within your mouth. This variety is suitable for folk who smoke or drink coffee. Suitable for X/ X PRO/ Z1/ F1/ One/ Air 2 /SE Electric toothbrushes. Deep cleaning for fitting tooth 3D curved brush head design Featuring a 3D curved design of a toe, it is simple to penetrate into the locations between teeth and the sides of the gums, Can higher match tooth from a number of angles for balanced cleansing Colour:A:Blue Material:ABS+nylon bristles Package Contents: 10 * toothbrush alternative head Only the above package content, diverse merchandise should not included. Note: Light reflection and assorted displays could cause the colour of the object in the picture just a little different from the genuine thing. The measurement allowed error is +/- 1-3cm.