Whether tailgating, camping or hanging by the lake with friends, Alpine ICE (In-Cooler Entertainment) PWD-CB1 provides quality audio entertainment while doubling as a premium, high-capacity Bluetooth enabled cooler. The deceptively powerful speaker system is engineered and tuned to create a deep impact and fill any space with incredibly rich, intoxicating sound while the Grizzly engineered constructed cooler body keeps your food and drinks on ice for the long haul. Alpine ICE also gives you the flexibility of using power sources such as a vehicle battery or an external portable power supplies, so that youre not reliant on an internal battery with a short lifespan. This first-of-its-kind cooler is the perfect addition toany outdoor event. It is truly designed for music and built for adventure.