Sennheiser MM 550 Travel Bluetooth Folding Headset for $300 + free shipping

World Wide Stereo via Buy.com offers the Sennheiser MM 550 Travel Bluetooth Wireless Stereo Headset for $299.99 with free shipping. That ties an Amazon Lightning Deal from a month ago and is the lowest total price we could find now by $30. These over-ear headphones claim to reduce up to 90% of all outside noise via active noise cancellation. They have a 1-touch microphone and fold-away design.

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