Sony MDCASE3 Carrying Case for Net MiniDisc Walkman(R) Recorders (Discontinued by Manufacturer) Comfortable, durable Net MD Walkman Recorder case Compatible with Sony Net MD Walkman Recorder models MZ-NE410, MZ-N510CK, MZ-NF610, MZ-NF810CK, and MZ-N10 Armband with adjustable strap Two-tone gray color Holds 1 Sony Net MD Walkman and 1 extra minidisc