Poly Sync 20 is a speakerphone that can be used wirelessly via Bluetooth v5.1 or wired via the built-in 70cm USB-A cable.
It has a three microphone steerable array that can pick up voices within 2m. It uses a 40 mm driver for its speaker and comes with dual passive radiators.
Poly Studio P5 Kit comes with various options like the Blackwire headset, Voyager headset, and Sync Bluetooth speakerphone.
I have the review unit for the Poly Studio P5 Kit With Sync 20+. This review will be about the Poly Studio P5 Webcam. The review of the Poly Sync 20+ will come at a later date.