Sennheiser MM450 Noise-Cancelling Bluetooth Headset $300 at Amazon

$50 price drop. Amazon has the Sennheiser MM 450 Bluetooth Multimedia Headset with Active Noise Cancellation (Black) for $300 with free shipping. Features NoiseGard 2.0, TalkThrough external microphone, and Bluetooth 2.1. JR.com has it for the same price.