Specification: Condition: 100% Brand New Item Type: Omnidirectional Microphone Material: Plastic Color: As shown in the picture Size: Approx.130x130x50mm/5.1x5.1x2in Weight: Approx.226g/8oz System Requirements: Pentium 400MHz or above Support Operating System: Compatible for ios, for Windows XP, for Windows7/8/9/10, Relative Humidity: 10-95% Atmospheric Pressure: 86-106Kpa Buttons: Volume control button USB power switch indicator light Microphone mute switch LED Indicator Light: No light standby and call mode A green light indicates silent mode Sound Function Sound Sampling Frequency: 32KHz Communication Mode: Full duplex simultaneous dialogue echo Cancellation: >58Db AGC (audio automatic gain control) Function: Support SPK: 4Ω 8W horn USB Power Supply Operating Voltage: 4.5V-5.5V MIC: 34dB Frequency: 20~16000 Hz System Requirements: PC with USB port Support: 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 Package List: 1 x Microphone 1 x USB Cable(1.5m) 1 x User Manual(English) Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.