I’ve investigated this issue and it appears that all you need is a pair of neodymium magnets tapped together and then Velcro’d in the case to fall between the two earcups to get them into “deep sleep” mode. The LED light never goes green. -flawless Bluetooth even from across the house (two closed doors, 40 feet away and still pumping)***************UPDATE: 20/09/18****************So the Bluetooth connects flawlessly with my iPhone 6S, which was the first device I paired to it. This is a 5-star product! These start out a little tight, but 1-2 hours of wearing and they become exact. I am 5’7” 130 lbs and a small fits perfect. Loving it so far. The second setting is "Mic Level" which is how loud your voice appears to others. ) Lastly, Im seeing peculiar behavior when the AirPods are fully charged. I forgot about it and he wAlked in when I was listening to music.