Yeti 45 QT with Four 6.5" Kicker Marine Speakers

-Led on/off button

-Voltmeter to monitor battery life and charge one USB-C and one USB device

-200 Watt Bluetooth amp

-Tool battery adapter Milwaukee, Ridgid, Dewalt

- Everything is Marine Grade

-6 to 36 hours of play time.( Depending on Battery size you are using.)