1. Plug & Play your MP3, iPod or any audio source into our universal audio input - works with any audio source that has an earphone jack 2. Built-in aluminum cone speakers for an out-loud audio experience 3. Combines energy boosting music with massage;Music plays with or without massage 4. Comes with home and auxillary auto adaptor - perfect travel companion for your car 5. Control the volume through your audio source and the massage & heat through the integrated hand control 6. Invigorating massage motors plus soothing heat 7. Adjustable intensity and personalized body zone control.