This portable digital audio recorder from Sony has 4GB of internal flash memory capable of recording up to 1,073 hours of voice notes, lectures, music, or any other important moment with a 2-element stereo mic array that records every nuance with great clarity. It can record and playback in MP3, AAC, WMA, and WAV formats, and features a bright backlit display, a built-in USB for direct connection to your computer, and a microSD card slot to add memory. It boasts up to 30 hours of recording time on a single charge. The unit averages 4.5 out of 5 stars on Amazon from over 200 customers (read reviews). Amazon indicates that its typical list price of $99.99 has been reduced 23% to $76.95, saving you $23.See the discounted ICD-UX533BLK digital recorder on Amazon.