AskForMall via Amazon offer the Diza100 Gaming Headset in Black/Red, or Black/Blue, model no. GM-1, for $23.99. Coupon code "JFQUU6C9" cuts them to $15.99. Plus, Prime members receive free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $8.64.) That's $24 off list and the lowest total price we could find. They're compatible with PlayStation 4, Xbox One, Windows, Android, and iOS and feature 40mm drivers, in-line volume control, LED lights, USB, and a 3.5mm jack.