The Prolynkz Zynkz 4GB MP3 Player lets you fit up to 4 gigabytes of music right in your pocket. It can also double as a handy USB flash drive or a digital voice recorder, in case you’ve got to record a brilliant idea for posterity. It runs for up to 10 hours of play on a single AAA battery and takes both MP3 and WMA files. This deal ends Wednesday at 12:00pm ET.