Acoustic Research Mainstreet Portable Wireless Bluetooth Indoor/Outdoor Speaker with LEDs Flickering Flame Light Bluetooth Capabilities Plays music from your smartphone or tablet. Durable IPX4 rated design that is water and dust resistant for indoor or outdoor use. Distinctive Audio 20watt stereo system plus dual enhanced bass radiator. Stereo Syncing Pair two Acoustic Research Sedona speakers together for true stereo sound that will get any party going (Auto connects two speakers sold separately) Multimode LED lighting with both white and flickering flame lights. Portable Operate with rechargeable builtin battery or included AC power adapter; Up to 14 hours of play time.