I've been using these headphones for over a year and while they have excellent sound, the battery life is poor. I do computer work and I would use them daily for many hours. Seems to take about 3 and a half to 4 hours before they are completely dead and need to be charged. Also the charging case they come with, over time, needed to be charged more
...Read MoreRead more about I've been using these headphones for often. The microphone is also poor. Some conversations were okay but the majority of callers complained either they could barely hear me or I sounded muffled. I don't recommend these for phone calls. Aside from that, I never had any issues with them connecting to my device and for me they were comfortable to use. For music and audio, they worked well. Read LessRead less about I've been using these headphones for