8
Technical Specs
Voice technical
parameters
Acoustic Echo cancellation
（
AEC
）
: >65dB
Echo length cancellation
：≥
500ms
Bidirectional noise compression
（
NC
）
: <25dB
Automatic Direction
fi
nding Technology of
Intelligent microphone
（
EMI)
Automatic gain control
（
AGC
）
Audio
parameters
Microphone frequency response
：
100Hz-22KHz
Speaker frequency response
：
100Hz-22KHz
Speaker volume: 95dB at the most
Microphone sound-pickup diameter: 4 m,
360 degrees full range
Interface
USB interface, 3.5mm audio output
Power supply
USB power supply(5V/500m)
Computer
environment
Windows, Mac OS, Android
Operating
environment
Operational environment: 0 ~ 40 degrees,
Working humidity: 20 ~ 85% (no frost)
Size
141 x 141x42mm/192x192x90mm
(before/after packaging)
Weight
260g/500g (Net/Gross weight)
Accessories
1.8m USB cable Power adapter, QC card, manual
