Aukey Direct via Amazon offers the Aukey Bluetooth 4.1 Headphones, model no. EP-B4, for $29.99. Coupon code "GD3NRDSX" cuts them to $17.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $6.18.) That's tied with our July mention as the lowest price we've seen. (It's a current low by $14.) They weigh only 1.7 oz. and feature a range of up to 33 feet, up to four hours of playback, rechargeable battery, and interchangeable ear buds and ear hooks in a variety of sizes.