Coiled Power Hot Sync USB Cable suitable for the Cowon iAudio M3 with both data and charge features - Uses Gomadic TipExchange Technology
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COWON 16GB iAudio 9+ MP3 & Video Player (White) I9P-16WH B&H
iAUDIO - Wikipedia
Amazon.com: Gomadic Classic Straight USB Cable for The Cowon iAudio M3 with Power Hot Sync and Charge Capabilities - Uses TipExchange Technology : Electronics
Stanadard Usb Charging/sync/data Cable For Cowon Iaudio X5 X5l M3 Mp3 Player, The Last Stock - Pc Hardware Cables & Adapters - AliExpress