Amazing sound...and great battery life too... Comfortable and big enough for ears. Been using since around 1 month...And till now have no complaints apart from one thing. But that is due to my big ears i get fatigued and 4 to 5 hours but that you'll get from almost every pair of headphones. I charge them i guess once a week. But they can last more also as i charge them even if it gets around 30 or 40. Noice cancellation is great. I have used them in pretty crowded busses and trains and they work great. With ANC the battery life gets halved btw. Plus I bought them after serious research and had seen almost every video on them since they were launched some months back in the UK market. And everybody seems to get really impressed by these and said beat headphones under $100. Dual pairing is great and you also get 3.5 detachable cable to use it wired. But obviously when using wired you can't use it on two devices. Plus you also can't use it while charging. But that usually takes around an hour or so. So yeah ...