Lenovo offers its Lenovo P830 Headset in Black, model no. 57Y6507, for $19.99. Coupon code "USP1OC346507" cuts it to $6.99. With free shipping, that's tied with our August mention as the lowest total price we've seen this headset. (It's a current low by $7.) It features leather ear pads and in-line volume and microphone control. Deal ends October 15.