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- 20-watt 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 built-in battery or included AC power adapter; Up to 14 hours of play time.