Memory foam earplugs compatible with Sony WF1000M5WF1000M4WF1000M3About this productCOMPATIBILITY Memory foam earplugs compatible with WF1000M5, WF1000M4, Sony WF1000M3, comfortable and secure in the ear does not affect charging provides a superior sound experience.New Material This memory foam with the latest polyurethane foam, safe and nontoxic, the earplugs are specially designed compatible with Sony WF1000M5, WF1000M4Sony WF1000M3 earbuds, to achieve headphone upgrade.Noise Reduction After extensive testing and design, the memory foam earplugs noise isolation offers a superior audio experience with enhanced bass and a good seal that blocks out ambient noise.Comfortable and nonslip The foam ear tips are very soft, nonslip, body heat activated memory foam that adapts and molds to your ear compatible for a completely customized fit and hours of comfortable listening. Provides 24 hours of comfort, suitable for longterm use and exercise.Size S M LColor BlackGrayWhat you will get1 pair or more pairs of memory foam earplugs with retail packaging.