Features：
l Suitable for medium to large group conference calls
l 3 high sensitive microphones provide 360° audio pickup over 3 meters
l Echo cancellation eliminates acoustic echo
l Noise cancellation removes ambient room noise
l USB connectivity to PC for Web-conferencing
l Advanced DSP technology delivers remarkably rich, crystal-clear audio for natural conversations
l Microphones can be controlled separately to the talker for clear audio.
l Big built-in speaker for outstanding audio output
l 3.5mm audio port for universal connectivity to other devices
l Built-in Lithium-ion battery for talk time over 4 hours
l 2 expandable microphones for upgrade to larger conference situations
l Max volume: 93dB
Suggested applications:
l Connect to PC or laptop via USB for web meeting over SKYPE, or other VOIP software.
l Connect to smart-phone via BT, turn the smart-phone into a conference phone
l Integrate with video-conferencing system as a set of professional microphone and speakerphone.
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hone via BT, turn the smart-phone into a conference phone
l Integrate with video-conferencing system as a set of professional microphone and speakerphone.
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China [CN] 
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