It does block external sounds to a certain extent but offers clear sound. Also the mute buttons for microphone and speaker. rolex 16750 history I wear this a good part of the day so comfort is very important. I like having the extra USB port and the DPI button is helpful (it adjusts the responsiveness/movement speed). rolex 16750 history I also have flat feet and learned years ago that I need a good support in the arch to keep my feet and legs from hurting. rolex 16750 history Plastic not very strong. 04-05-2020 Okay, its been several months, the issue I had is fixed, after a few days of use the wire seemed to have attatched properly. I did chalk that off to hitting sweater collars and stuff or pulling on the cord. rolex 16750 history Once in, the springs will hold it nicely end to end without any wiggle. 1) There was a visible circle over the fingerprint sensor at all times which was incredibly annoying.
rolex 16750 history