SUNSKY 2 PCS / Set Original Xiaomi Youpin SO WHITE Waterproof Acoustic Wave Electric Toothbrush Replaced Head for HC0196

High cleaning frequency: 31,000 times/minute

Help improve scientific tooth brushing habits: Shake cleverly to remind you to change the brushing area, and automatically shut down after reaching 2 minutes

Round brush head + curved brush surface: prevent damage, deep cleaning including dead corners

IPX7 waterproof rating, can be washed directly

Material: Plastic