eBay with Jabra has the certified refurbished BlueParrott Wireless BT Noise Cancelling Headset (B650-XT, Black) for $110 - 20% off with coupon code REFURB20 [Exp 11/14] = $88 with free shipping. Blocks out 96% of background noise and features a wireless range of 300 feet/100 meters so you can leave your phone behind without dropping the connection.