These are the best headphones in the market that you can buy under 8k.
Good things:
1-battery life quite good.company claims battery life upto 30 hours but as I have tested they last as long as 25 hours on full charge and almost full volume which is still quite awesome.
2- very comfortable to wear, the earpiece are designed very nicely. They also reduce surrounding voice so that you can enjoy your music.
3- these are very durable too. It fits properly on every head size.
4- and the best feature is extra base.
5- these headphones have NFC connectivity also if you have a NFC enabled phones you can instantly pair it with the headphones without going through any setting.
Bad things:
Believe me there are not any just go for these.