Patozon via Amazon offers Prime members the Mpow Cheetah Bluetooth Wireless 4.1 Sports Headphones in Black or Yellow for $27.99. Coupon code "564QK2HX" drops it to $20.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.07.) That's $4 under our mention from June and the lowest total price we could find now by $7. They feature Bluetooth 4.1, microphone, and up to eight hours talk/play time.