MobileCityOnline via Amazon offers the Jarv Pure Fit Bluetooth 4.0 Wireless Sport Headphones in Blue, Black, or Red, model no. BT601, for $47.99. Coupon code "PURFITDN" cuts them to $27.99. With free shipping, that's the lowest total price we could find by $7. These water- and sweat-resistant earbuds feature dynamic HD sound and over six hours of use on a two-hour charge. Deal ends August 28.