Features-

• ✅ Next level massive JBL Pro Sound : Dual woofers and pumping JBL Bass Radiators deliver powerful, immersive sound with deep bass and rich detail
• ✅ AI Sound Boost : AI Sound Boost analyzes the incoming audio signal, while our AI algorithm predicts and optimizes loudspeaker movement to deliver powerful, distortion-free sound with deep bass and high volume
• ✅ Up to 24 hours of playtime, plus 6 hours with Playtime Boost : Up to 24 hours of battery life keeps the party going all day and night. Playtime Boost extends playtime for an extra 6 hours with optimized performance for louder and crisper sound
• ✅ Multi-speaker connection by Auracast : You can pair two Xtreme 4 speakers for wider stereo sound. You can also connect multiple JBL speakers wirelessly with Auracast or the JBL Portable app for an even bigger party experience
• ✅ Waterproof and dustproof : The JBL Xtreme 4's IP67 waterproof and dustproof rating makes it perfect for any adventure. Take it to the beach or the mountains - this speaker can handle all environments
• ✅ Power up with the built-in powerbank : The JBL Xtreme 4 keeps the party going strong. Its built-in powerbank lets you charge your devices on the fly, so you can keep the music pumping. Plus, fast charging gets you back in action with 2 hours of playtime after just a 10-minute charge
• ✅ Convenient shoulder strap : The speaker can be carried on the shoulder or can be adjusted as a crossbody, whatever your style or the mood. It even doubles as a bottle opener for added convenience, so you can enjoy a refreshing drink while jamming to your favorite tunes