ReplacementCompatible for Usmile Y1/U1/U2 Toothbrush Heads Smart Electric Tooth Clean Brush Nozzles 4/10Pcs/Set(4WhiteBlueR)

- Precise Compatibility with Y1/U1/U2：Engineered to fit Y1, U1, and U2 smart electric toothbrushes; aligns with the brushes’ connection ports and structural details, enabling smooth attachment without altering the toothbrush handle.? - 4/10Pcs/Set for Flexible Usage：Offered in sets of 4 or 10 pieces; adapts to different needs?whether for individual daily replacement over months or shared use among family members?reducing the need for frequent repurchases.? - Designed for Smart Electric Cleaning Functions：Crafted to work with the smart electric cleaning features of compatible toothbrushes; supports the brushes’ standard working modes, maintaining consistent tooth cleaning effects for daily use.? - Suitable for Routine Oral Care Maintenance：Serves as a targeted option for replacing worn electric toothbrush nozzles; meets the requirement of regular head replacement (a common part of oral care routines) to support ongoing hygiene.? - Adaptable to Daily Brushing Habits：Built to withstand repeated use in daily morning and evening brushing cycles; retains bristle shape and structural stability, ensuring reliable performance that fits seamlessly into typical daily routines.?