- This JBL Go 4 bluetooth speaker might be small, but it packs a serious punch with its JBL Pro Sound - You get a solid 7 hours of playtime on a single charge - add 2 extra hours by just tapping the Playtime Boost - Want even bigger and better beats? Pair up multiple JBL speakers wirelessly using AuraCast for mega sound - With the JBL Portable app you can get support, choose from EQ presets or dial in your own sound with the Equalizer - A poolside party or a beach picnic, you can take it anywhere thanks to its IP67 waterproof and dustproof rating
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