This camera microphone can provide clear and accurate voice recording experience to the user, It is significantly better than the majority of the built-in microphones, which is suitable for all sorts of recording.
Features:
Made from aluminium alloy material, has nice wear-resistance and high hardness.
Built-in professional high-performance super-cardioid pickup microphone.
Adopts NCR noise reduction pick-up technology, superior noise suppression.
Special shockproof structure on base, effectively averts the mechanical noise and other vibration noise to be recorded.
Provides clear and accurate voice recording experience to the user.
External + 10dB sensitivity enhancement switch and 0dB close range directional focusing interview mode to meet different occasions.
Lower Power Indicator reminds you to be prepared to replace the b-attery.
Easy mounting and fixing on the camera.
3.5mm standard jack for convenient use.
Wide compatibility, compatible for different kinds of camera.
Specially designed for photography, meeting, interview and other professional fields. 
Specifications:
Material: Aluminium Alloy 
Polar Pattern: Super-Cardioid
Frequency Response: 50Hz-16KHz
Sensitivity: -37dB±3dB（0dB=1V/Pa at 1kHz）
Sensitivity Enhancement: +10db±2dB 
Equivalent Noise Level: 24dB A 
Max.SPL: 130dB (THD<=1.5% at 1KHz)
Output Impedance: 200Ω±30% (at 1kHz)
Channel: Mono Channel
Power Supply: CR2032 Button B-attery (Included)
B-attery Life: Can Be Used Continuously for 50-60 Hours
Item Size: 130 * 72mm / 5.12 * 2.83in
Item Weight: 70g / 2.47ounces 
Package Size: 170 * 70 * 60mm / 6.69 * 2.75 * 2.36in
Package Weight: 90g / 3.17ounces
Note:
1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
2.Please allow a little measuring deviation due to manual measurement.
Package List:
1 * Microphone
1 * CR2032 Button B-attery
1 * User Manual (English & Chinese)