1.Support USB Type A and USB Type C,
2. Compatiable with Skype for business answer/hang up; Support Cisco Jabber, 3CX,Counterpath Bria, Avaya one-x after installing UCM
3.USB adapter indicator light, green flashing for incoming call, keep green light on after answering, and red light on for mute .
4.Support volume up/down and microphone mute
5. QD connector
6. The surface is sprayed with rubber