Parameters: Model number: MIC-05 Camera Microphone Material: Plastic Product Size: 156*33*86mm Product Weight: 81g Monomer: Electrostatic Type Condenser Microphone Channel: Mono Frequency response: 50Hz-16kHz Sensitivity Enhancement: +20dB 20dB Level Noise level: 24 dB A Directivity: Hypercardioid pointing Effective pickup distance: 3 m Output impedance: 200 30% (at1kHz) Maximum sound pressure level: 130dB (THD1.5% at 1KHz) Sensitivity: -45dB 3dB (0dB = 1V / Pa at 1kHz) Powered By: AAA 1.5V alkaline battery, Power consumption 5mA (typical) Battery life: New battery can be used continuously for 70-80 hours Conforms to EU Electromagnetic Compatibility 2004/108/EC and FCC Part15 standards. Features: 1. Strong compatibility, suitable for 3.5mm MIC audio interface. 2. Fits to standard cold shoe seat and 1/4'' screw mount. 3. Simple power supply. MIC-05 microphone adopts a AAA 1.5V energy-saving and environmental protection battery, which can be bought anytime and anywhere. 4. MIC-05 enhances the effect of microphone pickup. +20dB mode enhances the sensitivity and increases the microphone volume, extends the pickup range, making the audio recording effect is better and clearer. 5. MIC-05 microphone have a spring cable, the length is 700mm, the line is placed in the front section, easy to operate.