Size-Defying Sound and Bass: Mini 3 Pro is in such a small package and still, somehow, contains our patented BassUP technology which will provide you with a bass experience you’ll never have guessed could come out of such a small package. Customizeable EQ with Soundcore App: Customize your audio experience by going into the Soundcore App and tuning to your liking Beat-Driven Light Show: Rave Mini's LEDs pulse, phase, and flow in time to the beat to create a dazzling display PartyCast Technology: Link over 100 Mini 3 Pro speakers (or any Soundcore PartyCast speakers) to party into the next dimension IPX7 Waterproof: Fully-waterproof casing provides an impenetrable barrier against liquids 15-Hour Playtime: Mini 3 Pro has a built-in battery to let you effortlessly soundtrack wild weekends, cozy evenings, or long summer days outdoors Sound Bass: This combined with exceptional sound clarity makes for a speaker that defies what we currently know can come out of a speaker this small.