Robust Bluetooth speaker for outdoor adventures Product highlight AI Sound Boost Replaceable battery Music playback time: up to 24 hours Water and dust resistant Get started with the integrated power bank Finally, turn it up loud! The JBL Xtreme 4 portable waterproof speaker delivers powerful, next-level JBL Pro Sound even at the highest volume, with exceptional dynamics thanks to two powerful woofers and two tweeters. Two pumping JBL passive radiators produce deeper bass that's captivating. Want to take your music outside? The practical shoulder strap makes it easy to carry, while the robust rubber casing and its IP67 waterproof and dustproof design ensure that a sudden rain shower or a dip in the lake won't put a stop to the fun. If you need even more sound, simply pair two Xtreme 4s for stereo sound. For the next party, connect the Xtreme 4 to compatible portable JBL speakers via Auracast. Then your friends can chill by the pool to the same playlist as everyone else in the house. With 24 hours of playtime and a handy power bank for your speaker, you can recharge it in the morning. What's more, it's made with recycled plastic and recycled fabric. The JBL Xtreme 4 delivers thrilling sound – anywhere. Powerful, Next-Level JBL Pro Sound Two woofers, two powerful drivers, and two pumping JBL bass radiators effortlessly deliver dynamic, immersive sound with deeper bass and rich detail. Your music will captivate and inspire you, wherever you are. 24 hours of playback time plus 6 hours with Playtime Boost All-day listening pleasure. The JBL Xtreme 4 plays in any room – indoors or outdoors, whether at your garden party or at the beach. With a 24-hour battery life, you can play music until the sun goes down—and rises again—before you need a recharge. Simply tap "Playtime Boost" to extend playback time and increase battery life by up to 6 hours. This adjusts the performance and optimizes it for louder and clearer sound. Practical Shoulder Strap Depending on your style and mood, you can carry the speaker over one shoulder or like a crossbody bag.