It has three buttons on the left earcup for power, Bluetooth setup and toggling Superhuman Hearing on and off - wisely, headphone and chat volume levels are controlled by two sliders. (techradar.com)
On the bottom of the right earcup on the other hand is where you can adjust equalizer settings on - the - fly. (pokde.net)
Back to the 2 different kinds of earcups in regards to the sound. (techguysmartbuy.com)