1Support most meeting and chatting software, perfect for video call, voice chatting, music listening, meeting, live streaming, etc. 2USB interface, suitable for computer and laptop. The microphone is drive-free design, plug and play, compatible for Windows XP, for Windows 7/8/10 and for OS X system. Built-in ring and sound card. 3Built-in speaker, and high sensitivity omnidirectional microphone, suitable for meeting rooms of 20-30 square meters, 360 degree to pick up sounds, the effective radius of pick up sound is 3 meters. 4Built-in DSP echo side sound cancellation chip, clear and stable sound quality, instant communication with zero distance, high efficiency. It can be a good music player. The microphone with 5mm audio in and 5mm headphone jack, convenient to use. 5The volume can be adjusted during the video call, and the microphone also with audio mute and microphone mute switch. Small and light weight, easy to carry. 1 x Microphone1 x USB Cable(1.5m)1 x User Manual(English) Item Type: Omnidirectional MicrophoneMaterial: PlasticColor: As shown in the pictureSize: Approx.130x130x50mm/ 5.1x 5.1x2inWeight: Approx.226g/8ozSystem Requirements: Pentium 400MHz or aboveSupport Operating System: Compatible for ios, for Windows XP, for Windows7/8/9/10, Relative Humidity: 10-95%Atmospheric Pressure: 86-106KpaButtons: Volume control buttonUSB power switch indicator lightMicrophone mute switchLED Indicator Light: No light standby and call modeA green light indicates silent modeSound Function Sound Sampling Frequency: 32KHzCommunication Mode: Full duplex simultaneous dialogueecho Cancellation: >58DbAGC (audio automatic gain control) Function: SupportSPK: 4 8W hornUSB Power SupplyOperating Voltage: 4.5V- 5.5VMIC: 34dBFrequency: 20~16000 HzSystem Requirements: PC with USB portSupport: Compatible for Skype,Tencent QQ,MSN, Sina UC, video conferencing software... etc (ADSL or Cable Modem... Etc).Operating Temperature/Humidity: 0-60 , 0-95% RH