Plug and play: USB condenser microphone that connects to your computer or laptop directly via USB port(work with Mac and Windows Vista, XP , Linux)Adjustable volume control: you can volume up, down or off directly during live broadcast and so on.Adjustable stable tripod stand: 180 degree USB microphone with cardioid polar pattern for recording,captures your voice clearly and smoothly when the microphone is pointed towards you. (Noise Reduction)Support a variety of accasions: live broadcast, karaoke,video chat, podcast recording, teaching, game, and so on.1. If your computer cannot identify the microphone, please plug in again with the cable, or change to another usb cable to test. If there is noise, then also change to another one use cable to check.2. The voulume control button can be adjusted 360 degree, so please adjust it again if the sound is not loud enough.Package includes1*USB Microphone with USB Cable1*Metal Tripod Stand1*User ManualWeight: 405gSize: 20.5*13.5*5.5cmPC professional Mic sound card