Suitable for Xiaomi Mijia T300/T500 Features: 1. Soft DuPont bristles, suitable for touchy tooth to apply 2. Ultrasonic electric toothbrush can effectively get rid of plaque and reduce gingival necrosis. 3. Adopt DuPont American tynex regular 0 bristles bristles,gently on your teeth. 4 bristle tip diameter, deep clear the distance between tooth 5 authorised via FDA and UV sterilized. 6 sealed packing, much more secure to use. 7 update the toothbrush heads every three months 8 you have any questions on the toothbrush model, you have to seek the recommendation of visitor service. Thank you. Note: Be sure to purchase a toothbrush head equivalent to the electric toothbrush model Buy2,GET10% OFF BUY MORE,GET MORE DISCOUNTS CURVE SHAPED DESIGN FITS TEETH DEEP CLEANING AT HARD-TO-REACH AREAS TARGETS PLAQUE IN HARD-TO-REACH AREAS SUITABLE FOR MOST XIAOMI ELECTRIC TOOTHBRUSH HANDLE MODELS Suitable for: XIAOMI T300/T500 Feature of product: brush head nozzle for brush cutter nozzle toothbrush toothbrush nozzle replaceable mop nozzle toothbrush head electrical toothbrush