Message us for Mass order Pricing. BRAND NEW; RETAIL PACKAGING. Please do not hesitate to message us if you have any questions or concerns! Product Line Poly Voyager 4300 UC Series. Bluetooth Version Bluetooth 5.2. Controls Answer/end, Mute, Next/previous track, Play/pause, Volume. Details Acoustic Fence technology. Microphone Mounting Type Boom. Speaker Output Mode Stereo. Software Certification Certified for Microsoft Teams.