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Aibecy USB Desktop Computer Conference Omnidirectional Condenser Microphone Mic Speaker Speakerphone 360° Audio Pickup Plug & Play for Business Video Meeting Features: 360°omnidirectional audio pickup microphone guarantees everyone can be heard from any direction in the room. Built-in 3W speaker, can be used as a loudspeaker of computers or laptops for small conference. Echo elimination and noise reduction, providing great and clear sound for meeting USB connecting, plug & play, no driver required, and compatible with Windows & Mac systems. Supports microphone and speaker mute function; with volume adjusting button and 3.5mm earphone jack. Compact and lightweight, ideal for video conference, internet interview, online education, etc. Specifications: Color: Black Sound Pick Up Range: max. radius 2 meters Microphone: 1 * Omnidirectional Condenser Microphone Speaker: 1 * 4Ω 3W Speaker Speaker Sampling Frequency: 16KHz Microphone Sampling Frequency: 8KHz Connection: USB interface Compatible System: for Windows 10/ 8/ 7/ Vista/ XP/ 2000; for Mac10.5 Power Supply: USB DC 5V 500mA Echo Offset: max. 128ms Noise: ＜ 48dBA Audio Processing: AEC/AGC/NR/NLP/ALC Item Size: 13 * 13 * 3.5cm / 5.1 * 5.1 * 1.4in Item Weight: 106g / 3.7oz Package Size: 19 * 16 * 5cm / 7.5 * 6.3 * 2in Package Weight: 255g / 9oz Note: Computer showed in the picture is not included. Package List: 1 * Conference Microphone 1 * USB Cable(about 1.5m) 1 * User's Manual(English)