Dave’s Faves: Sennheiser MM400 Bluetooth “Cans”

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My featured gadget this week: the Sennheiser MM400 Bluetooth Headphones. When I bought these headphones more than three years ago, most folks didn’t know what Bluetooth was, and still fewer were using headphones that incorporated the technology. Well, now most folks know that Bluetooth is a wireless standard that allows short-range communication between electronic devices.