Delivery Time:usually 35days , according to your order quantity
Heart-Style Wireless Desktop Meeting Room Microphone
Capsule Type: Capacitive
Frequency Response: (100~12K)Hz
Polar patten: Heart-Style
Output impendene: 600Ω±30%
Sensitivity: -45dB±3dB
Reference Sound-Receiving: Distance(20-50)cm
Power supply: DC 3V