2 pk Acoustic Research Portable Wireless Bluetooth Speakers Premier Series Bluetooth - stream your music wirelessly from your smartphone, table or PC Distinctive Audio - 2 way speaker system plus enhanced bass radiator Stereo Capable - pair two speakers together from one source for true stereo enjoyment Up to 14 hours of play time on battery operation (actual play time may vary based on actual volume level) Includes: (2) Speakers, (2) AC power adapters, (2) Aux-in cable, User Manual