reaching new dimensions in high-fidelity playback

And if you have to take a call

Microphone battery charge time: < 3 hours in off mode

1 x JBL Xtreme 4

JBL Go 4 loudspeakers reaching new dimensions in high-fidelityGeneral Features Whats in the box Key Specifications Reviews General Features Ultra portable JBL Pro Sound with punchier bass Dont let its little size fool you. The JBL Go 4 packs a serious musical punch, delivering big JBL Pro Sound with punchy bass. Your friends wont believe how much great JBL Pro Sound comes out of such a small speaker. Up to 7 hours of playtime plus 2 hours with Playtime Boost Dont sweat the small stuff like charging your battery.