Asus HS-1000W USB Wireless Headset for $24.99 after code EMCLMLV32 and a $20 rebate. Shipping is $7.68 so the final total comes to $32.67 shipped. Here is a screenshot before the $20 rebate for your reference. This wireless headset features low latency response as well as a background noise-cancelling microphone. Most places have it for about $50.