A year ago, the Bluetooth headset with the best design and best sound was the Aliph Jawbone . But the new Aliph Jawbone 2 headset makes its award-winning predecessor look clunky and noisy. The Jawbone 2 is about half the size of the original, with US military-approved "NoiseAssassin" technology that detects when someone is speaking and eliminates all other noise. It comes with 4 ear loops and 3 ear buds so you can get a comfortable fit, and it recharges in less than an hour. CNET calls the Jawbone 2 "quite possibly the ultimate Bluetooth headset in terms of design and sound quality." More Bluetooth headsets . ...