Polk via eBay offers the refurbished Polk Audio Striker ZX Gaming Headset for Xbox One in Black or Orange for $29.99. Coupon code "PGIFTS10" cuts the price to $26.99. With free shipping, that's $25 under the lowest price we could find for a new pair. They feature a retractable omni-directional boom microphone, a wireless headset adapter, and a chat loop feature. Deal ends December 19.Note: A 6-month Polk Audio warranty applies. This coupon can be used up to two times per eBay account.