speakerphones Upgrade your meeting with high-quality speakerphones. Poly Sync 10 USB Poly Sync 10 USB PC via integrated USB-A cable and included USB-C adapter. Two-microphone steerable array. IP64 dust-and water-resistant. Up to 5 ft/1.5 m. Call answer/end, mute, volume up/down.Remote enterprise professionals with a dedicated home office. Poly Sync 20 USB PC via USB-A or USB-C cable (using included adapter), wirelessly via included BT700 adapter (Poly Sync 20+) or smartphone with Bluetooth technology. Three-microphone steerable array. Up to 7 ft/2 m. Call answer/end, mute, volume up/down, programmable function button. IP64 dust-and water-resistant. Flexible enterprise professionals who split time between corporate office, home office, and travel. Poly Sync 40 microsoft teams uSB-a, uSB-c, Bluetooth speakerphones PC via USB-A or USB-C cable (using included adapter), wirelessly via included BT700 adapter (Poly Sync 40+) or smartphone with Bluetooth technology. Three-microphone steerable array. Up to 8 ft/2.5 m. Call answer/end, mute, volume up/down, programmable function button. IP64 dust-and water-resistant. Flexible workspaces and huddle rooms where users bring their own devices. Poly Sync 60 smart speakerphones for conference rooms PC via combined USB-A and USB-C cable or your mobile phone with Bluetooth technology. Six-microphone steerable array. Up to 10 ft/3 m. Call answer/end, mute, volume up/down, programmable function button. Full duplex audio with noise and echo reduction. Small to medium conference rooms where users bring their own devices.