INSTEN Data Sync Transfer Cable Compatible with Sony Walkman mp3 Player NWZ-A726 A728 A729 A815 A816 A818 A828 S615 S616 S618 S716 S718 E436 E438 S736 S738 Series NWZ-E NWZ-A NWZ-S NWZ-X NW-S NW-A (Non OEM) USB Data Cable 2-In-1 Features: Hot Sync & Charging 3 Feet Compatible With Sony Walkman NWZ S544 S545 ONLY (Digital Device Not Included)