works as advertised. caution.. dont forget its in your ear.. it can fall out and you may not realize it. dont like the ear hook. i have mine attached to a long and very light necklace. if it falls out i cant loose it. volume very good. very light. easy to use controls. connected to my cell phone like a charm.. very simple to use and get connected. i am old so i appreciate it. new law comin in calif next year. may as well as used to it now.