Choose between more than 11,000 radio stations worldwide via built-in vTuner with no monthly cost. Search music by genre, country or state. Compatible with universal Plug-n-Play audio servers such as: Microsoft Media Player 11 (WMP11), Microsoft Media Connect and MusicMatch Jukebox. Wireless access WIFI 802.11 b/g, Ethernet and USB 2.0 (host only) connectivity. Access music files (MP3, WMA, WAV) stored on a USB 2.0 flash drive, MP3 player or Hard drive through the units USB port. 2 RCA plugs (Stereo Lineout) for external speakers. No PC is required.