Amazon offers the Etekcity 2-in-1 8GB Digital Audio Voice Recorder Pen for $12.98 Prime Shipped after $7 coupon code RECORDER at checkout. That’s a quarter of the retail price and $7 less than we can find it anywhere else. This 8GB USB stick records classes, lectures, meetings, interviews and voice on its 8GB of storage. It can also act as a USB stick for other media. Voice recording lasts 15 hours on a charge and it can hold 150 hours of audio total. It averages 4.9 out of 5 star reviews from a limited number of Amazon reviewers.