The Coleman CBT90 delivers up to 6 hours of your favorite tunes with the built-in rechargeable battery. Features Bluetooth, memory card and auxiliary connectivity for easy music streaming from any compatible device. Dual 5 watt speaker drivers (10 watts total) and passive sub provides a robust, enhanced and crystal clear listening experience. It's rugged, water resistant exterior makes it extra durable and perfect for both indoor and outdoor settings like, pool/beach parties, camping trips, picnics, or even your home office!