Feature: 1. Built-in dual-condenser omnidirectional microphone pick up clear sound from 360° within 4m. 2. Built-in 4Ω 3W speaker made you heard by everyone in a 5-10 people conference. 3. Intelligent and efficient DSP chip can eliminate echo and reduce noise, guarantee high quality sound effect. 4. Support speaker mute, mic mute, Hi-Fi mode and volume control. 5. Usable for Windows/Mac/iOS/Android; Driver free, Plug and play. Compatible for online communicating software such as QQ, MSN, Skype \u0026 more. Ideal for video conference, internet interview, online education, video call, etc. 6. The meeting microphone built-in 4Ω 3W speaker made you heard by everyone in a 5-10 people conference. 7. The computer microphone support speaker mute, mic mute, Hi-Fi mode and volume control. 8. The video microphone is usable for Windows/Mac/iOS/Android; Driver free, Plug and play. Compatible for online communicating software such as QQ, MSN, Skype \u0026 more. Ideal for video conference, internet interview, online education, video call, etc. Specification: 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. Package List: 1 * Conference Microphone Speaker 1 * USB Cable 1 * Audio Cable 1 * Quick Start Guide(English) Note: Computer and smartphone are not included.