Product Name： KT-M2 
Product Type： Conference Microphone Speaker 
Interface： USB 2.0 (full) , 3.5mm in/out

Certifications & Standards： 
FCC Part 68 
FCC Part 15 Class B 
CE Mark (R & TTE Directive)

Powered solely through laptop USB: 
DC 5V 500mA

Additional Information： 
Chất lượng âm thanh nổi trội
Dễ dàng để lắp đặt và sử dụng 

Console loudspeaker: 
Volume: adjustable to 94 dBA SPL (peak) volume at 0.5 meters 
Console microphones: 3 cardioid microphones

Audio: 
Up to 10 ft. microphone pickup range 
Gated microphones with intelligent microphone mixing 
Dynamic noise reduction 
Recommended Room Conditions: 
Reverberation time: <0.5 seconds 
Noise level: <48 dBa

Connection diagram: