JBL Flip 7 - Portable Waterproof and Drop-Proof Speaker, Bold Pro Sound with AI Sound Boost, 16Hrs of Playtime, and PushLock System with Interchangeable AccessoriesPowerful, clearer bass even at max volume & crisp higher frequencies thanks to a clever new tweeter dome design. Additionally, AI Sound Boost anylzes your music in realtime to deliver maximum acoustic performance with less distortion. Up to 16 hours of playtime: Keep the mood alive for 14 hours on a single charge and when we really need to squeeze some extra juice out of our jubilee, or another dance with our darling, we can get an extra 2 hours with