inputs.text: good sound top notch support - bought rocksteady xs based upon reviews read regarding good sound quality nice size well built ease useall true also like fact used cell phone battery cheap replace easy connect phone running less minute negative comment cannot place bluetooth device feet away speaker music starts get choppy cut found 46 feet max plan use usb linein fineupdate ehemailed customer service responded within hour kudos told iphone 4s using lower range phones verify used sons phone able span room 1214 feet no issue raise rating 4 5 starsupdate 3 years later dropped speaker onto concrete 5 feet side speaker popped pulling wire cone ehemailed support within days replacehement side speaker swapped soldered new perfecthonestly top notch support continue impress