The iMuffs MB210 ($179.99 direct) Bluetooth headphones are an upgrade to the MB200 and provide users of any Apple iPod, including the nano, with a decent wireless audio experience. The headphones are now available in black as well as white, and improve on their predecessor's audio quality with Clear Voice Capture (echo, and noise-cancellation software) for the integrated microphone. But although sound quality has improved from the last version, it's still not quite good enough to make it worth replacing your wired earbuds or headphones.

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