JBL GO 4 Bluetooth Speaker in Blue, NIB The bold JBL Go 4 ultra-portable Bluetooth speaker delivers clear, loud JBL Pro Sound with rich, punchy bass. Plus, it's waterproof and dustproof. And up to 7 hours of playtime mean it will keep the good times rolling throughout a fun day trip or an evening chilling under the stars. Don't 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 won't believe how much great JBL Pro Sound comes out of such a small speaker. Don't sweat the small stuff like charging your battery. JBL Go 4 gives you up to 7 hours of playtime on a single charge. Simply tap Playtime Boost to prolong the playtime, adding up to 2 hours to your battery life. It tunes and optimizes the performance for louder and crisper sound. The JBL Go 4's IP67 waterproof and dustproof rating ensures this portable speaker can handle almost any environment, from a poolside party to a seaside picnic. Dimensions (Width x Height x Depth) (in): 3.7 x 3.0 x 1.7 Weight (lbs): 0.69 Bluetooth version: 5.3 Battery Charging time (hrs): 3 Maximum music playing time (hrs): 7 Smoke free home. No odors. All offers are welcome. Thank you! Questions? Leave a comment below!