They were purchased about a month ago and I have to say that I struggled to learn how to use their program and settings for better sound because the first time I tried them, their sound seemed much deeper than my previous headphones, so I spent about a quarter of an hour searching for solutions on Google to fix this issue. In the end, I had to go into the Windows settings and enable or disable some sound options. Anyway, during prolonged use, they didn't tire my ears at all, meaning that after 4 hours of use, there was very minimal discomfort in my ears, but within 1 minute, there was no more discomfort compared to my previous headphones where within 40 minutes to 1 hour, you would feel your ear. I haven't used the microphone at all because I have an external microphone, so I don't need it, but I have listened to some sound tests and I have to say that it's like most microphones on the market. In conclusion, they were worth the purchase, although time will tell how much they are worth now within a month and with not much use due to it being summer and getting very hot if you wear them, but time will tell as I mentioned above