YEALINK CP925

LCD Display: 4'' 480×800 capacitive touch screenHD Voice: Optimal HD AudioSpeakerphone: Full-duplexWideband Codec: G.722,G722.1C,OpusNarrowband Codec: G.711(A/µ), G726, G729, G723, iLBCYealink Noise Proof: YESUSB Port (2.0 Compliant): 1Ethernet Port: 1 x RJ45 10/100M Ethernet portBluetooth: Built-in Bluetooth 4.2Wi-Fi: Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)