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Title: What a disappointment!
Review: First I bought the Motorola HS820 which worked well, but I wanted bettr mic sensitivity when using the piece with my smartphone, so I traded in and bought the HS850. The HS850 was much, much worse: It has a 'popcorn' kind of popping sound alot of the time, even when you're in a quiet room. The mic is horrible, it recognized a voice command 1 in 5 times. I traded it in and bought the Logitech Mobile Pro headset which works very, very well -- particularly for voice recognition/mic sensitivity.Best: Logitech,2nd best: Motorola HS820Worst: Motorola HS850
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