GRDE Direct via Amazon offers the GRDE Wireless Bluetooth Earbuds in Black or Red for $39.99. Coupon code "KA4IRMZL" cuts it to $23.99. Plus, Prime members grab free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $6.02.) It features Bluetooth 4.1, noise cancelling, and dual/single ear modes. Deal ends August 31.