The most revolutionary headphones brought to you by HyperX, Expansion is based upon the mix of both comfort and features. The difference between these headphones and all the other models is that it is completely customizable to your needs and preferences. The exquisite ergonomics which are built in for your ears and head overall make the headset as comfortable as possible for the user. Sustainable materials such as aluminum alloys and rechargeable battery will keep the E waste levels down. One of the main features of this amazing headset will be that there are two knobs on each ear; the left ear having a knob to turn up noise cancellation, and the knob on the right ear turning up spatial audio. Turning up the knobs also expands the ear pads, increasing the spatial audio as there are  integrated speakers in the ear pads. You can also press a button at the top of the right ear piece to turn on RGB on the headphones. The Expansion headsets will be able to connect wired to computers and also through Bluetooth, so you'll be able to use these headphones on the go too! Starting at 130$, the Expansion headsets are both affordable and high quality. Multiple sales will also be held for this product.
TL;DR: The HyperX Expansion Headset
Comfort and Features All in One
Customizable ear pieces
Ergonomic
Made with Sustainable Materials
Revolutionary Spatial Audio
Noise Cancellation 
Expanding Ear Pads used with a knob
Integrated speakers
RGB 
Bluetooth
Affordable