Blinq via eBay offers the open-box Sennheiser PXC 550 Over-the-Ear Bluetooth Noise Canceling Headphones in Black for $189.99 with free shipping. That's $80 under our December mention of a factory-sealed pair and is the best deal we've seen. (It's now $110 under the lowest price for a sealed pair.) Features include:
  • Bluetooth 4.2 with NFC
  • 17Hz to 23kHz frequency response
  • touch controls
  • 30-hour rechargeable battery
Note: No warranty information is provided.