Wireless. Stereo speakers. Three microphones. Privacy cover. NoiseBlock technology. Compatible with Zoom and Microsoft Teams. Suitable for small to medium conference rooms. Dual display support allows two monitors to be connected for effective communication. 2x USB-A 3.0. 1x USB-C. Bluetooth 5.0. WiFi 802.11a/b/g/n/ac (MIMO) multi-channel concurrency. 1-year limited warranty. 30 x 4 x 4 in. Sold by each.