JBL Go 4 Ultra-Portable Wireless Bluetooth Speaker

Audio Output: 4.2 Watts RMS with an enhanced 45mm full-range driver.Connectivity: Wireless streaming via Bluetooth 5.3 technology.Battery Life: Up to 7 hours of standard playback, extendable by 2 extra hours using the "Playtime Boost" feature in the app.Charging Time: Approximately 2 to 2.5 hours to fully charge via its USB-C port.Durability: Certified IP67 waterproof and dustproof, meaning it can be fully submerged in up to 1 meter of water for 30 minutes.