eBay with Bose has the refurbished Bose Frames Tempo Open Ear Audio Sports Sunglasses w/ Bluetooth (Black) for $189 - $70 off with coupon code BOSESAVE70 [Exp 1/31] = $119 with free shipping.

Sport sunglasses with Bose Open Ear Audio design that allows you to hear your music and your surroundings at the same time. Good for biking and outdoor workouts.