Poly - Sync 40+ Bluetooth Smart Speakerphone (Plantronics) - Flexible Work Spaces - Connect to PC/Mac via Included BT600 Dongle and Smartphones via Bluetooth - Works with Teams, Zoom & More

Hear and be heard: Keep the focus on your voice, not the background noise, with multiple microphones for echo and noise reduction. Fill the room with a high-performance, large music speaker for great music and immersive multimedia.
Flexible convenience: Internal battery provides up to 20 hours of talk time for portable use. Wirelessly pair two units together for your larger meeting space needs.
Easy connectivity: Connect to smartphones via Bluetooth. Connect to computers via combined USB-A/USB-C cable, or wirelessly via included BT600 Bluetooth adapter, which comes pre-paired to the Sync 40+ speakerphone. This enables better audio performance and a more consistent user experience than connecting directly to PC/Mac via Bluetooth.
All in one: Speakerphone + smartphone charger + high-performance music speaker. IP64 dust-and water-resistant.
Stay in control: Know the call status from a distance with a highly visible light bar. Access your favorite functionplay/pause music, last-number redial, voice assistant and more with the touch of the programmable button. For use in common areas, the button can be programmed to manually clear previously paired Bluetooth devices.