Take big JBL Pro sound wherever you go.The bold, colorful JBL Go 4 ultra-portable Bluetooth speaker fits in the palm of your hand,delivering clear,loud JBL Pro Sound with rich, punchy bass.Its newly redesigned integrated loop makes it easy to bring anywhere, and the variety of colorways means you can choose one that fits your vibe. Plus it's waterproof and dustproof, so it loves to go outside. And up to 7 hours of playtime means it will keep the good times rolling throughout a fun day trip or an evening chilling under the stars. Pair two Go 4's for stereo sound, or wirelessly connect multiple JBL Auracast-enabled speakers for even bigger sound. Crank it up and let your music take you anywhere.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 prolong the playtime, adding up to 2 hours to your battery life.It tunes and optimizes the performance for louder and crisper sound.