I've used it about once, but I'm selling it because I don't have a chance to use it. Color: Black Type: Over-ear Connection type: USB wired connection Model name: Hi-Fi Headphones with Microphone The 40mm large drivers reproduce high-quality stereo sound with a wide range. You can enjoy clear sound in various situations such as music, calls, and online classes. It is equipped with an adjustable headband and a 270° rotatable microphone. The soft synthetic leather cushion ear pads are designed to be comfortable even for long hours of use. It uses a noise reduction microphone that effectively suppresses ambient noise. It provides clear and easy-to-hear audio even during online meetings and calls. Multi-device support Compatible with a wide range of devices such as Windows, MacOS, iOS, Android, and ChromeOS. It has a safety design that limits the volume to a maximum of 94dB, reducing the burden on hearing even during long-term use. Thank you for viewing.