Newegg offers the Rosewill R-Studio E-Motion Wireless Bluetooth Sport Headphones in Black for $14.99. Coupon code "SWAGHEADP630" cuts them to $4.99. With free shipping, that's the lowest total price we could find by $19 and a strong deal for a pair of headphones. They feature a frequency response of 20Hz to 20Khz, Bluetooth range up to 33 feet, and microphone.