Acoustic Research Santa Cruz Indoor/Outdoor Bluetooth Wireless Speaker with LED Flickering Flame Light, Rechargeable, 30-Watt, Up to 18 Hours of Play Time. Outdoor, Waterproof, Weatherproof, Wireless, Rechargeable, Powerful Speaker, Multi-function LEDs. Bluetooth connectivity; Plays music from your smartphone or tablet. Durable IP55-rated design that is water and dust resistant for indoor or outdoor use. Distinctive audio – 30-watt stereo system plus dual enhanced bass radiator; Stereo capable – pair two Acoustic Research Mainstreet speakers together for true stereo sound that will get any party going. Multimode LED lighting with both white and flickering flame lights. Operate with rechargeable built-in battery or included AC power adapter; Up to 18 hours of play time.