Easy connectivity: Just connect smartphones wirelessly via Bluetooth or computers via USB-A. Hear and be heard: Keep the focus on your voice, not the background noise with a multi-microphone steerable array for echo and noise reduction. Let people talk simultaneously for natural conversations without missing a word with full duplex audio. Work on the go: Keep your smartphone charged and ready using your Poly Sync 20, with up to 20 hours of battery life. It's slim and portable, IP64 dust- and water-resistant, and comes with its own carrying case. All in one: Portable speakerphone + portable charger + high-performance music speaker. Enjoy more clarity on every call thanks to the bass reflex system with dual passive radiators for natural voice and deep bass. Microsoft Teams version: Supports easy collaboration and communication with a dedicated Teams button for instant access to the Teams App.