Lenovo offers its Lenovo W770 Wireless Headset, model no. 0B65782, for $49.99. Coupon code "USP1AP515782" cuts the price to $18.99. With free shipping, that's the lowest total price we could find by $5, although we saw it for $10 less in December. This headset features a 40mm drive unit, 2.4GHz audio transmission, and hidden microphone.