***** **********Best Quality Guranteed. *****Powerful performance - This speaker delivers dual drivers and one passive radiators provide full spectrum audio and clarity at any listening level, you will hear incomparable bass performance not found in other mobile speakers, and improvements in digital signal processing let you share your music louder than the previous version of our Bluetooth speaker*****For music on the go - The bluetooth speaker is small and light enough to tuck into your bag. It weighs in at just 0.8 pounds, Its low profile lets you place it almost anywhere and provides a low center of gravity that makes it nearly impossible to tip over, and the rechargeable lithium-ion battery delivers up to 15 hours of playtime, and charges with most USB power sources*****Splashproof - Splashproof means no more worrying about rain or spills, you can even clean it with running tap water, Just don't submerge it*****Bluetooth connectivity - the speaker has a range of about 30 feet so