Introducing the JBL Flip 4, the next generation in Bluetooth speakers! This powerful stereo speaker can wirelessly connect up to 2 smartphones or tablets at once and play audio in stunning stereo sound. Built-in 3000mAh rechargeable li-ion battery lets you enjoy up to 12 hours of nonstop music playback, and IPX7 waterproofing means you don't have to worry about rain or spills - you can even submerge your Flip 4 in water! Plus, with JBL Connect+ technology, you can link more than 100 JBL Connect+ enabled speakers together to amplify the party. Dual external passive radiators provide an impressive sonic performance that demonstrates just how powerful your speaker is. So bring the party with you wherever you go.