MST-A1S USB Video Conference Microphone Speakerphone 360° Audio Pickup Support Skype MSN QQ for Computer Mobile Phone ( Item#: OS0845 )

Features:
Built-in dual-condenser omnidirectional microphone pick up clear sound from 360° within 4m.
Built-in 4Ω 3W speaker made you heard by everyone in a 5-10 people conference.
Intelligent and efficient DSP chip can eliminate echo and reduce noise, guarantee high quality sound effect.
Support speaker mute, mic mute, Hi-Fi mode and volume control.
Usable for Windows/Mac/iOS/Android; Driver free, Plug and play.
Compatible for online communicating software such as QQ, MSN, Skype & more.
Ideal for video conference, internet interview, online education, video call, etc.

Specifications:
Speaker Sampling Frequency: 24Khz~48Khz
Mic Sampling Frequency: 16Khz  
Speaker: 4Ω 3W
USB Cable: DC 5V 500mA, 3 meters long
Mic: Dual-condenser Omnidirectional Mic
 -Sensitivity: -34 ± 3dB
 -Frequency: 100~10,000Hz
 -Impedance: ≤2.2KΩ
 -SNR: ≥58dB
 -Max. Sound Pressure Level: 95dB
 -Max. Current Consumption: ≤0.5mA
Echo Cancellation: Max. 256ms
Reverberation Time: ＜0.5s
Product Noise: ＜48dBA
Audio Processing: AEC/AGC/NR/NLP/ALC
System Environment: Compatible for Windows 8/7/VISTA/XP/2000, for Mac / iOS / Android
Interface: 3.5mm Audio Input for Mic, 3.5mm Audio Output for Loudspeaker, Phone Audio Port, USB Port
Item Size: 11.5 * 11.5 * 3.5cm / 4.5 * 4.5 * 1.4"
Item Weight: 407g / 0.9Lbs
Package Size: 27.5 * 24.3 * 9.8cm / 10.8 * 9.6 * 3.8"
Package Weight: 896g / 2Lbs

Package List:
1 * Conference Microphone Speaker
1 * USB Cable
1 * Audio Cable
1 * Quick Start Guide(English)

Note:
Computer and smartphone are not included.