The Sony Cre-C20 Self-Fitting Otc Hearing Aid offers the latest in sound technology packed in a rechargeable, discreet, modern design for improved all-day hearing. This set contains a Sony Cre-C20 Self-Fitting Rechargeable IP68-Rated Otc Hearing Aid with Discreet Design, 2 x Hearing Aids in Charger, Closed Sleeves in 4 Sizes (Xs, S, M, and L), Usb Cable, Care Tools, User Guide, Flier for Initial Set Up, and Limited 1-Year Warranty.