Sony WMC-NWP10 Portable USB Adapter for NWZ-A800 and S600 Series Walkman Video MP3 Player USB cable for Walkman with WM-PORT only Offers charging and data transfer between Walkman and PC or accessories Designed for any NWZ-A800 and NWZ-S600 series Sony Walkman video MP3 player Offers charging and data transfer between Walkman and PC or accessories