This radio has a removable MP3 player that allows you to record AM, FM, and shortwave radio broadcasts for future playback as digital files. The MP3 player can be programmed to record a radio station at a specific time, it has 256 MB of internal memory (enough for 10 hours of recording), and it comes with software that allows you to download music from a computer to the MP3 player itself. The MP3 player removes from the radio for remote use and can be used as a voice recorder that stores up to 15 hours of conversations, memos, or lecture notes. The radio has single-sideband modulation for receiving two-way marine, aviation, and Ham radio broadcasts, and the device can access international radio stations through digital AM/FM and digital shortwave. With 400 presets, a digital clock with three alarms, and a built-in digital NOAA weather band that can access all seven National Weather Service stations anywhere in the U.S. Includes an audio line-in port for playing music from an iPod® or CD player, three AA rechargeable batteries, AC adapter, and an audio line-in cable. 6 1/2" L x 4" W x 11/4" D. (1 lb.)