eatures
1. The CR2, 3V lithium battery lead to long working time. 
2. 2-range settings: Normal and tele. 
3. Double back electret type capacitor microphone(stereo sound input). 
4. Wild using rang: DSLR cameras, camera, DV recording, professional news receiver. 
5. Portable 3.5mm Video audio output line. 
6. Removable cassette, convenient for news interview microphone.

Parameter
1. Type of Transduction: Capacitive. 
2. Polar Pattern:Hypercardioid. 
3. Acoustical Principle:linear Gradient. 
4. SNR:70dB(1KHZ At1 Pa). 
5. Max SPL: 120dB@1khz,1%THD Into 1K Load. 
6. Geometric Noise: 20dB SPL. 
7. Dynamic Range: 135dB_SPL; Frequency Response: 30-15000HZ. 
8. Sensitivity: -40dB+/-20dB=1V/Palkhz. 
9. Power Supply: 3V. 
10. Impedance: 200ohm. 
11. Effective distance of pickup: 4m. 
12. Validity of battery: 600 hours. 
13. Size of microphone tube: 22*180mm. 
14. Cord length and configuration: 0.5m. 
15. A microphone's weight: 120g. 
16. Output: Unbalance. 
17. Switch: Slide.