Kelaibot via Amazon offers the Uiisii US80 Sport In-Ear Headphones in several colors (Gray pictured) for $10.99. Coupon code "KOLDQQPY" cuts that to $8.02. Plus, Prime members bag free shipping. That's the lowest price we could find by a buck. These noise-cancelling headphones feature a 20Hz to 20kHz frequency response, in-line controls, a and microphone. Deal ends June 21.