Microsoft Certified Teams Conference Phone With its user-centric design philosophy, this Y-shape conference phone combines simplicity of use with sophistication of features, perfect for medium to large conference rooms. Conversations will sound natural and bright with crystal-clear audio; connect an external loudspeaker to it if necessary. The Yealink CP960-Wireless Mic provides wireless and wired pairing with your mobile staff – smartphone or PC/tablet via Bluetooth and USB Micro-B port.