Name

全向麦克风（SpeakerPhone）

Microphone

Pickup 

distance

6m

Frequency  

Response

50-169kHz

Directivity

Omnidirectional

Speaker

Frequency  

Response

20-20kHz

Volume

85dBA

Audio

Full-Duplex 

Echo  

Elimination

Support

Noise 

Suppression

Support

Gain Control

Support

Echo Delay

300ms

Connection Method

Interface

1 x USB data communication； 1 x 

3.5mm Audio interface

Key

5 x sense keys

Packing

Dimensions

75mm x 30mm

Weight

0.48kg

Package 

Includes

Quick Installation Guide, USB cable, 

omnidirectional microphone

Environmental Conditions

Power Supply

USB: 5V DC, Max. current: 450mA

Operating 

System  

Supported

Windows XP/Vista/7/8/10, Linux, 

Android

Operating  

Temperature

0℃-40°C

Storage  

Temperature

-30℃-55°C

Relative 

Humidity

20-85%（non-condensing）