Bristle Brush Heads Compatible with Xiaomi X3 X5 V1 X3U | Sealed electric toothbrush replacement heads with bristles available in 5 to 10 pieces(10 balck)

- Fits X3, X5, V1, X3U with matched connector for easy installation. - Soft bristles bring mild brushing feeling to gums. - Sealed packaging keeps brush heads clean. - Uniform bristles wipe away stains and food scraps between teeth. - Two options of 5pcs and 10pcs for storage and daily swap.