1. High cleaning frequency: 31,000 times/minute
2. Help improve scientific tooth brushing habits: Shake cleverly to remind you to change the brushing area, and automatically shut down after reaching 2 minutes
3. Round brush head + curved brush surface: prevent damage, deep cleaning including dead corners
4. IPX7 waterproof rating, can be washed directly
5. Material: Plastic
6. Suitable for Xiaomi Youpin SO WHITE sonic electric toothbrush HC0196
2. Help improve scientific tooth brushing habits: Shake cleverly to remind you to change the brushing area, and automatically shut down after reaching 2 minutes
3. Round brush head + curved brush surface: prevent damage, deep cleaning including dead corners
4. IPX7 waterproof rating, can be washed directly
5. Material: Plastic
6. Suitable for Xiaomi Youpin SO WHITE sonic electric toothbrush HC0196