- Transmits in 14 FM channels, 7 lower frequencies (87.7~88.9Mhz) and 7 high frequencies (106.7~107.9Mhz) - Infrared remote controller (included) offers full control over the transmitter (on-board control buttons also available) - USB port supports USB Jump Drive and MP3 players (those that expose themselves as a portable storage device when plugged into a PC) - Supports MP3 playback