ESON-AM via Amazon offers the Qy8 Bluetooth Headphones with Mic in Black or White for $19.99. Coupon code "ENLXYAIG" cuts the price to $15.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it costs an extra $6.10.) That's a buck under our August mention and the lowest total price we could find by $2, outside of the mentions below. It features a 7-hour talk time, four ear tips, and four ear hooks.

A close price: Speedy-China via eBay offers this for $7.77 plus $8.49 for shipping. KingKeyMall via eBay has it for $9.66 plus $6.69 for shipping.

Orders placed by December 22 are guaranteed to arrive in time for Christmas via Prime shipping; otherwise, choose Standard shipping and place your order by December 19 for guaranteed delivery.