Acoustic Research Portable Bluetooth  Wireless Speaker with 3.5mm Input Enjoy music wirelessly from your smartphone or tablet with Bluetooth Listen to high-powered sound outdoors, indoors or on the go Includes AC/DC power adapter or play up to 10 hours with 8 AA batteries (sold separately) Integrated Bass Radiator for bigger fuller sound Two-way design (1.5 in tweeter / 3 in woofer, 10 watts) AUX input for other wired sources Wireless 30 foot range Includes Aux-in cable