The Anker Soundcore Mini 3 Pro Portable Speaker features size-defying sound and bass. It is in such a small package and still, somehow, contains patented BassUP technology which will provide you with a bass experience youâ€™ll never have guessed could come out of such a small package. You can customize your audio experience by going into the Soundcore App and tuning to your liking. The speaker features PartyCast Technology. You can link over 100 Mini 3 Pro speakers (or any Soundcore PartyCast speakers) to party into the next dimension. The Mini 3 Pro's fully waterproof casing provides an impenetrable barrier against liquids with an IPX7 Waterproof level. It has a built-in battery to let you effortlessly soundtrack wild weekends, cozy evenings, or long summer days outdoors. It can deliver up to 15-Hour Playtime. The Anker Soundcore Mini 3 Pro has 18 month's warranty.