Grab and go. Take big JBL Pro sound wherever you go with the JBL® by Harman® Go 4 Ultra-Portable Waterproof Bluetooth® Speaker. The bold, colorful JBL Go 4 fits in the palm of your hand, delivering clear, loud JBL Pro Sound with rich, punchy bass. Its redesigned, integrated loop makes the Go 4 easy to bring anywhere. Plus, it's waterproof and dustproof, so it loves to go outside. And 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 4s 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. JBL Pro Sound: Crisp acoustics and rich, punchy bass; Redesigned, integrated loop; Waterproof and dustproof; Up to 7 hours of playtime on a single charge; Pairable with other Go 4 speakers for stereo sound;