Brand: Onkyo
The Onkyo MD-2321 is a portable MP3 player that was released by the company in 2006. It supports MP3, WMA, and WAV audio formats and has a built-in FM radio tuner. The player features a 2.2 inch diagonal color LCD screen with a resolution of 176 x 132 pixels. It has a storage capacity of 512 MB, which can be expanded up to 2 GB using a MicroSDHC card. The MD-2321 also has a rechargeable Lithium-Ion battery that provides up to 14 hours of playback time. Additionally, it comes with a USB interface for connecting to a computer and charging the battery.