Key specifications of the JBL Xtreme 3 speaker: • Sound: Original JBL Pro sound with Deep Bass and four drivers. • Playtime: Lasts up to 15 hours of continuous music playback. • Water and Dust Resistance: IP67 standard (water and dust resistant, suitable for outdoors and pools). • Connectivity: Bluetooth 5.1. • Additional Feature: Features a built-in "Power Bank" function to charge other devices via USB, and comes with an easy carrying strap.