4 levels of volume adjustment Connection methods: 1. Bluetooth 2. Wired (includes a USB piece) 3. 2.4Ghz The earcups are very large and comfortable. The microphone has a mute button + hide/show function, and the microphone performance is excellent. Headset features: 1. Microphone noise isolation 2. 7.1 surround sound 3. 5ms delay Very clean usage, all accessories included. Used for only 3 days, no scratches or any issues ❤. Serious buyers only, thank you all.