4/12PCS Replacement Brush Heads For XIAOMI MIJIA T300/T500/T700 Sonic Electric Tooth Soft Bristle Caps Vacuum Package Nozzles Option 1: 12pcs Replacing brush heads Option 2: Only 4pcs Replacing brush heads Description Product Introduction: 1 replacement brush head well suited with XIAOMI T300/T500/T700 Sonic Electric Toothbrush 2 package is independently sealed packed. three Dupont bristle , comfortably deep cleaning tooth. Warm note: If you are not yes whether or not or not your toothbrush fit for our brush heads,please consult with us firstly, thank you~