4” capacitive touch screen

Black acoustics fabric, resistant to water/oil/stain

Optimal HD audio

Yealink Noise Proof Technology, Smart Noise Filtering

20-foot (6-meter) microphone pickup range

Built-in 6-microphone array for 360-degree voice pickup

Built-in microphone for noise cancellation

Full-duplex speakerphone with AEC

5-way conference call

Built-in Bluetooth/Wi-Fi

Supports one Bluetooth wireless expansion microphone CPW25