Compatible For Oral B IO Electric Toothbrush Replacement Brush Heads Toothbrush Head Refills For IO 2 3 4 5 6 7 8 9 10 Series(Black-8 Pcs)

- Cost savings: Replacing just the brush head is more cost-effective than buying a new machine, making long-term use more economical. - Flexible operation: lightweight design, less wrist burden when manually touch-up brushing - Experience renewal: restore the clean feeling of when it was just bought, brushing is no longer perfunctory - Noise reduction: The new brush head has better balance, making the sound softer at high-speed vibration. - Family Sharing: Multiple brush heads in different colors to meet the needs of different members.