Specification Brand : Sony BulletPoint1 : Vented Sleeve for the Sony CRE-C20 Self-Fitting OTC Hearing Aid BulletPoint2 : Each package contains 3 pairs of vented sleeves. BulletPoint3 : Sleeves available in four sizes to account for different size ear canals: XS, S, M, and L BulletPoint4 : Can be adapted to fit most ears and hearing needs. BulletPoint5 : These sleeves are not compatible with CRE-C10 and CRE-E10 BulletPoint6 : These vented sleeves let more sounds through than closed sleeves included in the C20 kit, which helps prevent that uncomfortable feeling of plugged ears. ExternallyAssignedProductIdentifier1 : 027242929203 ExternallyAssignedProductIdentifier2 : 0027242929203 ItemName : Sony Vented Sleeve for CRE-C20 Self-Fitting OTC Hearing Aid, Medium CRE-S2VM ItemPackageDimensions_Height : 12.7 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 6.35 centimeters ItemTypeKeyword : hearing-aid-domes Manufacturer : Sony NumberOfItems : 1 PackageLevel : unit ProductSiteLaunchDate : 2024-08-27T08:00:01.000Z Size : Medium StreetDate : 2024-08-27T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 43191607 WarrantyDescription : 1 year