These Photive PH-EB100 Sweat-Proof Wireless Bluetooth 4.0 Stereo Earbuds drop from $79.95 to $14.99 at Groupon Goods. Shipping will add $3.99. This is the lowest price we could find for these sweat-proof headphones by $27. They have a 30-foot range, six-hour battery life, on-cord mics and music controls, and are sweat and moisture proof. Sales tax is charged in most states.