Better looks, better audio quality, but less battery life.

“Plantronics” is no more—at least in theory. Having acquired Polycom in 2018, Plantronics took the opportunity a few months back to ditch its old name and rebrand as “Poly.” Why’d they change it? I can’t say. I guess someone liked it better that way.
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https://www.pcworld.com/article/3511959/plantronics-rig-700hd-review.html