Microsoft has revealed a revamped Xbox Wireless Headset is available today, October 22, and comes with improved audio, an upgraded battery life, and a bigger price tag. An Xbox Wire post revealed the new Xbox Wireless Headset is available for $109.99, which is $10 more than the original at $99.99. You can buy it now at Best Buy and the Microsoft Store.Headlining the changes is improved audio, of course, as the new gaming headset features support for Dolby Atmos ("now included at no extra cost," Microsoft said), Windows Sonic, and DTS Headphone:X to provide what Xbox called "immersive, spatial audio that brings games to life in vivid detail."Image credit: Microsoft.It also has improved battery life, with Xbox promising up to 20 hours of playtime. The small print makes cl…