ImageTagInstance gallery-0f43a003-6f1a-41e7-a21d-70ddc9adc69e IntroductionWith July upon us, summer is finally in full swing, and when these hot, sunny days have you feeling the urge to hit the pavement – get out and have some fun – you can rely on plenty of mobile devices to bring the entertainment along with you.Obviously, that means bringing along your smartphone, but to get the most out of an impromptu summer cookout or lazy afternoon at the pool, you're going to want to share some of that entertainment with all your friends – and who wants to spend that time huddled around a handset?Instead, you're probably thinking about pairing your phone with a versatile, outdoor-friendly speaker, letting you play DJ and share your favorite new tracks with everyone within earshot. There are plenty of options for doing so, but when it comes to feature sets best suited for summer listening, the JBL Flip 4 caught our eye. Promising waterproof operation, a rugged, rubberized build, and the ability ...