Amazon.com: Gomadic Classic Straight USB Cable for The Cowon iAudio X5 with Power Hot Sync and Charge Capabilities - Uses TipExchange Technology : Electronics
3.7V battery for COWON iAUDIO M3, X5, PPCW0504, PPCW0401 Li-ion NEW | eBay
Cowon iAudio X5 review: Cowon iAudio X5 - CNET
The Unnecessary Impressions Thread: Cowon iAudio X5L | Headphone Reviews and Discussion - Head-Fi.org
Cowon's 30GB iAudio X5 gets right with God
Cowon iAudio X5
Coiled Power Hot Sync USB Cable suitable for the Cowon iAudio X5 with both data and charge features - Uses Gomadic TipExchange Technology
Gadgetress reviews the iAudio X5 by Cowon – Orange County Register