The 53mm driver unit of the Redragon H510 ZEUS X RGB 7.1 Wireless Gaming Headset offers a wider frequency range, richer sound fields, higher definition, and extreme fidelity sound. It features 2.4GHz wireless technology and can easily connect to your device via the included USB nano receiver. Invisible Comfortable Wearing – Its free-adjustable headband with a lightweight durable made steel frame will free your head from extra burdens. The finest synthetic patterns with premium memory foam filler enable your ear to breathe and keep them dry and cool. This allows you to wear the Zeus X all day long with less discomfort. The 7.1 surround sound audio not only gives you great clarity but powerful 3D bass as well so you can experience every sound at a higher level. The noise-reducing microphone makes sure that your voice is heard loud and clear.