The KoolMAX Ultimate Cooler is a game changer! It combines a 40-quart cooler with a 350-watt Bluetooth PA system. It’ll run for 16 hours on a charge and hold up to 48 cans of drinks. Choose from FM radio, Bluetooth, SD card, USB drive, and AUX music inputs. The long telescoping handle lets you easily roll the cooler on its heavy-duty wheels, and when it’s time to head out, store your valuables and electronics in the weather-resistant storage compartment. Everything you need for the tailgate, campsite, beach, or backyard party is right here!