Ultrasonic electric toothbrush can effectively remove plaque and reduce gingival necrosis.<br> The appearance of the 3D brush adapts to the luster of the teeth. The small and delicate brush head is easy to touch inside your mouth.<br> This type is suitable for people who smoke or drink coffee.<br> Suitable for Oclean X/ X PRO/ Z1/ F1/ One/ Air 2 /SE Electric toothbrushes.<br> Deep cleaning for fitting teeth 3D curved brush head design Featuring a 3D curved design of a mature toe, it is easy to penetrate into the spaces between teeth and the edges of the gums, Can better fit teeth from multiple angles for balanced cleaning<br> Colour:D:Black<br> Material:ABS+nylon bristles<br> Package Contents:<br> 10 * toothbrush replacement head<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.