4 in 1 Accessory Combo for Sony Walkman S Series Video MP3 Player (NWZ S540, NWZ S544 and NWZ S545): Includes Blue Soft Gel Thermoplastic Polyurethane TPU Skin Case Cover + Screen Protector + Belt Clip + Light Blue Fishbone Style Keychain High quality skin case, custom made to fit your Sony. Great for protecting your device from minor scratches and dirt. Fishbone Style Keychain can use it as a headset cord wrap, perfect for managing earphone cables and keeps your cables organized when not in use.