High contrast LCD display with integrated FM radio. Plays MP3 and WMA music files. Slim and convenient clip design. Built-in USB plug for fast file transfers The Coby MP320-4G stores and plays both MP3 and WMA audio files. Big sound, micro size! It weighs close to nothing, and fits comfortable in your shirt pocket. With 4GB of memory this player can store up to 1000 songs, comes with a slim and convenient clip design, has an integrated FM radio tuner for access to more songs and talk radio, and has a built-in USB plug (no cables needed). With the LCD display, you will also know exactly what you're listening to.