Poly Sync 40 Bluetooth Mono Speakerphone Bass Reflex System USB Charging Port Certified for Microsoft Teams Business moves fast. Joining virtual meetings should be fast, too. Poly Sync 40 USB/ Bluetooth smart speakerphone lets users get straight to work. Designed for flexible and huddle workspaces, its sound is remarkable. Everyone can hear and be heard without missing a word with multi-microphone array and full-duplex audio. No power outlet? No problem. Poly Sync 40 is battery-powered for hours so teams can use it anywhere in the room. They can pair two units together for larger meetings with bigger volume, more microphones, and wider voice pickup. Smart and simple, this speakerphone is just as flexible as the space it sits in.