1. Ultrasonic electric toothbrush can effectively remove plaque and reduce gingival necrosis.<br> 2. The appearance of the 3D brush adapts to the of the teeth. The small and delicate brush head is easy to Press inside your mouth.<br> 3. Adopt American tynex classic 0.152mm bristles, brush approved by and UV .<br> 4. Vacuum packaging, safety standards. This type is suitable for people who smoke or drink coffee.<br> 5. Suitable for V1X1/X3/X5/X3U Electric toothbrushes.<br> <br> Name: Electric toothbrush head<br> Type: replaceable toothbrush head<br> Model Number: For <br> Item Type: Toothbrushes Head<br> Gift: Toothbrush holder<br> Gift 2: Dental floss<br> Model: For V1/X3/X3U/X5 Electric Tooth<br> Model 2: For V1/X1/X3/X5/X3U<br> PS: Please pay attention to the model:For <br> Note: applicable brush head<br> Material:plastic<br> colour:Black<br> <br> Package Contents:<br> 8 x Electric toothbrush head<br> <br> Only the above package content, other products are not included.<br> Note: Light 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.