inputs.text: best gym mp3 player - first saw slim durable mp3 player electronics convention earlier year nyc demonstrated dunked bowl water continued play music brand new us wont find many stores yet creditcard sized mp3 player needed gym sweat thing never worry getting wet essentially usb jump drive plays mp3 files plays order files structured continue playing leave edit drive would usb jump drive store kind file wish slimmest mp3 player market exactly size credit card fits perfectly wallet also comes usb standard audio jack adapter use supplied headphones pair choice patented dualsided usb connector insert usb port either orientation also recharges usb port 3 hrs initial charge time itll play good 56 hrs keep mine wallet access tunes anytime want great product one home one car one gym etc