Amazon.com: USB 2.0 PC Data Cable Cord Works with Cowon iAudio MP3 Player X5 L Q5/w O2 M3 M4 M5 M6 : Electronics
COWON PLENUE S PS Titanium DSD 24bit/192kHz 128G 3.7 Inch Digital Ana
Amazon.com: Gomadic Classic Straight USB Cable for The Cowon iAudio M3 with Power Hot Sync and Charge Capabilities - Uses TipExchange Technology : Electronics
Battery For Cowon Iaudio M3, X5 (1100 Mah) New - Digital Batteries - AliExpress