Groupon offers the Sol Republic Tracks Air Bluetooth On-Ear Headphones in Electro Blue, Ice White, or Vivid Red for $69.99. Coupon code "VISA5" cuts that to $66.49. With free shipping, that's the lowest total price we could find by $9, although we saw it for $2 less two weeks ago. These closed-back wireless headphones feature up to 15 hours of use time per charge, up to a 150-foot range, and dual-device connectivity. Deal ends December 31.