Wireless Microphone 360-degree mic coverage 256ms acoustic echo cancellation Full duplex Dynamic Noise Reduction(DNR) Supporting Skype, Wechat, MSN and other online communication software Connecting by 3.5mm earphone plug, communication will be more private and do not trouble colleague No need driver; clear, unmixed and not harsh sound quality; Elegant business appearance General Loudspeaker 3-inch anti-magnetic speaker 340g Power USB supply(DC 5V/500mA) Built-in lithium battery Indicator LED `b7triangle indicator on: working `b7left indicator on: speaker mute `b7right indicator on: MIC mute `b7left indicator flashing: volume adjusting `b7right indicator in orange: full charge USB adapter `b72.4 G RF and data processing `b7folding SMA antenna Architecture `b7Tabletop console contains audio processing functions ,USB function, indicator and key function `b7Built-in lithium battery(7-10h) `b72.4G wireless USB adapter `b7USB power line `b7USB charging plug(optional) Microphone Cardioid microphones 0-8000Hz Size 155*148*37mm Keypad `b7microphone mute key `b7loudspeaker mute key `b7volume up/down keys `b7standby key Computer system Windows 8/ Windows 7/ Windows 10/ Windows XP/.,ect Audio `b7Digital audio processing `b7256ms echo cancellation `b7Dynamic noise reduction `b7full duplex `b7360 degree pick-up range Recommended conditions Temperature 5`b0~44`b0 humidity 20~85% condensation free noise level <48db storage temperature -10`b0~55`b0 Reverberation time <0.5 seconds Network interface USB USB 2.0(compatible with USB 1.1) Audio interface 3.5mm audio interface(out)
