The 1996 YP-ER21 Walkman, also known as the "Ocean Singer," was one of the iconic models in the YPPY series Walkman lineup aimed to capture the imagination of music enthusiasts and fashion-forward individuals alike. pic.twitter.com/BZ7O1gkYbb
— Obsolete Sony (@ObsoleteSony) June 27, 2023
Photo galleries here and here of the various designs in the YPPY series.