Here is an unique MP3 player, which is designed by Strapya, a Japanese company. The MP3 player looks like a bank credit card. Don’t look down upon the thin card, which has integrated a 2GB flash memory and can support MP3, WMA audio files. After fully recharging, the card mp3 player can run continuously for up to 15 hours. The card MP3 comes with an earphone with 2.5mm jack and a 3.5mm adapter, being available in 6 versions. You can get it for about $26.7 USD.
Note, careful stolen as a creadit card.