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, with an additional 2 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. Perfect for a poolside party or a beach picnic, you can take it anywhere thanks to its IP67 waterproof and dustproof rating.