Built with an IP67 rated waterproof and dustproof design Enabled with JBL PartyBoost Wireless Bluetooth v5.1 Streaming Built-in 7500mAh Powerbank: Rechargeable Li-ion battery supports 20 hours of playtime and offers the ability to charge devices via USB-Charge Out Racetrack-shaped driver, separate tweeter and dual passive JBL Bass Radiators Packaged in paper-based, eco packaging.