Bluetooth - stream your music wirelessly from your smartphone?? table or PC</br>Distinctive Audio - 2 way speaker system plus enhanced bass radiator</br>Stereo Capable - pair two speakers together from one source for true stereo enjoyment</br>Up to 14 hours of play time on battery operation (actual play time may vary based on actual volume level)</br>Includes: (2) Speakers?? (2) AC power adapters?? (2) Aux-in cable?? User Manual</br></br>Product Description</br></br>Operates on 8 AA batteries (sold separately) or included AC adapter. Speaker - 14.3"" x 8"</br><br/>http://www.amazon.com/gp/product/B00WNNJ4QSS en