It\'s time to optimize your conference room with Yealink\'s modern conference phone “ the Yealink Touch-sensitive HD IP Conference Phone CP920. With a user-centric design philosophy, this new release from Yealink combines simplicity of use with sophistication of features, being perfect for small to medium conference room. In regard of its crystal-clear audio quality, your conversation will sound natural and bright anywhere with well-designed CP920. The Yealink CP920 can be not only paired with your mobile staff “ smartphone or PC/tablet via Bluetooth, but also is a good choice for the companies that use a public switched telephone network (PSTN) after combining with CPN10 PSTN Box. As a valuable complement for your conference room, CP920 conference phone strikes an excellent balance between ease-of-use and powerful features, giving you a simply and clearly engaging business conference experience. Optimal HD audio, full duplex technology Yealink Noise Proof Technology 20-foot (6-meter) and 360-degree voice pickup Built-in 3-microphone array Sensitive touch keypad 3.1\' 248x120-pixel graphical LCD with backlight Power over Ethernet 5-way conference call Hybrid UC meeting Built-in Wi-Fi (2.4GHz, 802.11.b/g/n) Built-in Bluetooth 4.0 Local USB call recording Local 3-way PSTN conference via Yealink CPN10 PSU in BOX 12v 1AMP