29.5" Retractable USB 2.0 A (M) to 4-pin USB 2.0 Mini-B Rectangular Connector (M) Cable 29.5-inch total length. Retractable flat cord USB A to 4-pin Mini-B rectangular connector Designed for digital cameras, MP3/MP4 players, PDAs, video cameras and more Compact design. Tangle-free storage. USB 2.0 interface