Massive JBL Original Pro Sound Four drivers and two JBL Bass Radiators effortlessly deliver dynamic, immersive sound with deep bass and plenty of detail. You'll get lost in the music wherever you are. 15 Hours of Playtime The fun doesn't have to stop. Packed with an incredible 15 hours of battery life, JBL Xtreme 3 lets you party all day and into the night. IP67 waterproof and dustproof To the pool. To the park. JBL Xtreme 3 is IP67 waterproof and dustproof, so you can bring your speaker anywhere. Wireless Bluetooth Streaming Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying JBL Pro sound. Crank up the fun with PartyBoost PartyBoost allows you to pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to truly pump up your party.