Suitable for Xiaomi Mijia T300/T500 Features: 1. Soft DuPont bristles, well suited for sensitive tooth to apply 2. Ultrasonic electric toothbrush can effectively get rid of plaque and reduce gingival necrosis. 3. Adopt DuPont American tynex traditional 0 bristles bristles,gently in your teeth. four bristle tip diameter, deep clean the space between tooth five accepted through FDA and UV sterilized. 6 sealed packing, far more secure to use. 7 replace the toothbrush heads each three months 8 you've any questions on the toothbrush model, you possibly can seek the advice of guest service. Thank you. Note: Be sure to buy a toothbrush head comparable to the electric toothbrush mannequin 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 electric toothbrush