3 cardioid microphones 6 m/20 ft microphone pickup range 5-inch color LCD (720 x 1280 pixel), 9:16 aspect ratio On-screen virtual keyboard 1 USB 2.0 Type A-compliant port USB battery charging BC1.2 compliant (requires full Class 4 power input on LAN IN for operation) 1x USB 2.0 Micro-B device port for use as USB audio device Integrated Bluetooth 4.0 and NFC 3 multicolored capacitive-touch mute indicators