BOSE(R) Personal Music Center II Expansion Controller Intuitive, one-button operation. Offers easy access to the most frequently used functions of your Lifestyle? system, as well as those of most commonly connected audio/video components (e.g., TV, VCR, cable box, satellite receiver, PVR or CD-jukebox). Access and enjoy all the benefits of the uMusic intelligent playback system almost anywhere in your home. Delivers the music you want, when you want it, where you want it Access to all other audio sources from beyond the main room Radio-frequency remote works through most walls, ceilings and floors. You don?t even have to aim or point at the system. You can adjust the TV volume in the den, or mute the system from your bedroom