Timex TMX1 Satellite Series XM Ready Alarm Clock Radio Listen to more than 150 digital channels wih XM Satellite radio Sleep to XM/FM/AM or Aux/MP3 line-in with selectable sleep timer Remote control included 20 song memory kekeps track of artist and song titles XM Ready;Audiovox Connect & Play Antenna and XM Radio Service are required to listen to XM Radio. Sold Separately.