Form factor or size of an electronic device is very important in present times. From desktops to laptops size of devices is getting smaller and smaller. How about an Mp3 player of the size of a Credit Card? Well that is what ‘Wallet Mp3′ is all about.

This is a USB flash drive-based MP3 player and is the thinnest MP3 player in the world. It is made of double laminated unbreakable plastic.

It easily connects to your PC for uploading and exchanging MP3 files while the battery is recharged - all on a chic and durable platform. Here is more, it is waterproof wonder which slide into your pocket with ease and let you enjoy the best of music. Here is close look of this unique Mp3 player.

The double sided USB connector has triple usage for: downloading files, charging the Wallet MP3 player and serving as a headphone jack. Patent for this gadget is still pending, so need to wait for sometime for the real ’small’ thing. [via GadgetGrid]