PS:Please listen in on the model: BAIR X1S/G1/G20*Note: Non-original, applicable brush head 1. Ultrasonic electric toothbrush can effectively eradicate plaque and reduce gingival necrosis. 2. The appearance of the 3-d brush adapts to the luster of the teeth. The small and mild brush head is simple to the touch within your mouth. 3. Adopt DuPont American tynex traditional zero bristles, brush accredited through FDA and UV sterilized. 4. Vacuum packaging, medical security standards. 5. This form is acceptable for folk who smoke or drink coffee. 6. Suitable for BAIR X1S/G1/G20 Electric toothbrushes. 7 you've any questions on the toothbrush model, you might seek the recommendation of shopper service. Thank you packaging-