SmartOmi via Amazon offers its SmartOmi Q5 Wireless Bluetooth Earbuds for $39.99. Coupon code "50ROKMB2" cuts them to $19.99. Plus, free shipping applies. Features include Bluetooth 4.1, a microphone, and rechargeable battery with up to 3.5 hours of runtime per charge. SmartOmi via Amazon also offers the Soul SS19 Wireless Bluetooth 4.2 Sweatproof Sports Earphones for $39.99.