Lenovo offers its Lenovo P190 Headset with Microphone in Gray, model no. 888016632, for $29.99. Coupon code "USP1AU446632" cuts it to $12.99. With free shipping, that's $7 below our May mention and the lowest total price we could find. These in-ear headphones feature an omni-directional microphone and 10mm titanium drivers. Deal ends August 27.