User's Manual

Spec:
Interface
Max. Power
Power supply
Radio interference standard
Operating environment
Size
Weight
Computer environment
Accessories
Others
USB2.0 Full speed interface
About 2.5W
USB power supply(5V/500mA)
VCCI level B
Temperature: 0°c ~ 40°c working humidity: 20% ~ 85% (no frost)
140x32x140mm,243x45x170mm (before and after packaging)
280g/500g (before and after packaging)
Windows XP/7/8/10, Mac OS X 10.5 ( support only Intel processors)
USB cable (2.0m), Manual, Quality Certificate
firmware update(with USB to connect PCs)
Audio parameters:
Microphone
Speaker
Volume
Frequency Bandwidth
Signal processing
x3 omnidirectional microphones
1 (mono cycle)
Max 85dB (0.5m)
300∼20K Hz
Adaptive echo canceller, noise reduction, The 3 alternative mic can
be corresponding to the switching control
Connecting Diagram
Bluetooth Connecting to Device
USB Connecting to PCs