The JBL Flip 5 is a substantial upgrade in the award-winning Flip series, outperforming other portable Bluetooth speakers with powerful sound, the highest water-resistance level(IPX7), the most advanced Bluetooth technology and definitely the most attractive appearance. It is fashionable, fun, and durable, for indoor and outdoor use. It delivers louder sound and deeper bass in portable range, with 12 hours of playtime. The Flip 5 is the all-purpose, all weather companion that takes the party everywhere. The JBL Partybooster uses the latest Bluetooth technology to improve the multiple (100+) speakers’ connection range dynamically.