1. Applicable to: desktop computers, Laptop with USB port. Not workable with the smart phone and speakers only. 2. System Requirements: PC: Windows 10,Windows 8, Windows 7, Windows Vista, XP Home Edition or XP Professional, Windows and Mac OS and Linux OX. 3. The microphone driver would be automatically installed into your computer when you first time insert into . (USB PnP Audio device(Echo)). 4. Pls log in the Skype (or other chatting applications) first and then connect with the USB condenser. There might be no sound picked up by the microphone if wrong connection.