-360°omnidirectional voice pickup with 3 meters radius and built-in 4-Mic array -NFC, Bluetooth and USB Connection -Efficiently reduce 99% of the background noise -Automatic voice tracking for speakers -Long-duration time of 8 hours -Bluetooth 5.1 connected device -NFC tags -USB2.0 Type-C interface,connect to computer -Touch volume +/- buttons -Touch-type microphone switch button