Where can I pick up a NW-HD3 USB adaptor?

[ViviTheMage]

I dont know any model numbers or anything! I got the NW-HD3 mp3 player from ebay, works fine, but I didnt get a USB adaptor! Where can I pick one up, or find out what it looks like, etc?

 

[ViviTheMage]

I just need to know how to charge this thing up and send files to and from the mp3 player!