Groupon offers the Samsung Level Over-the-Ear Noise-Cancelling Headphones in White or Black for $249.99 with free shipping. That's the lowest total price we could find by $54, although we saw them for $105 less in November. (Most retailers currently charge around $350.) Features include 5Hz to 32kHz frequency response, 50mm biocellulose drivers, 41 ohm impedance, and Bluetooth. Deal ends June 17.