Delphi SkyFi/SkyFi2/RoadyXT CD Audio System with MP3/AM/FM Provides a dock for your Delphi XM SKYFi Receiver or Delphi RoadyXT (sold separately) so you can listen to over 170 XM satellite radio channels (subscription to XM service required) Alarm/sleep function for CD/MP3/AM/FM Ability to display song title, artist name, and folder number on LCD Integrated remote control (requires two AAA batteries, included) Powered by compact cube A/C adaptor or 6 "D" cell batteries