inputs.text: excellent sound quality - received ggrip review independent opinionsi love love love portable speaker use constantly go whether swimming pool boating lake outdoors playing also use indoors cleaning house detachable strap makes easy carry around buttons really easy read located one end speakermy previous speaker used aa batteries constantly ran speaker holds charge 8 hours sound quality incredible even higher volume levels speakers experience quality gets worse volume goes upthis great gift idea anyone really teens sure appreciate ggrip portable wireless speaker glad discovered ggrip tried share portable ipod speakers none compare one happy camper