ITEM NAME:Stereo Microphone Super Low Noise Cardioid Photography Interview Digital Vi V4K7 Stereo Microphone Super Low Noise Cardioid Photography Interview Digital Vi V4K7 Microphone is lightweight and Portable, Built-in Rechargeable Lithium Polymer Battery, Plug and Play. Built-in High-performance Super-cardioid Pickup, Ultra-wide Radio, Clearer Recording. NCR Sound-reduction Technology, with Superior Noise Floor Suppression. Support Headset Real-time Monitoring Microphone.External ldquo+10dBrdquo Sensitivity Enhancement Switch, Increase the Microphone Volume, Improve the Pickup Range, Audio Recording is Better and Clearer, 0 dB is the Normal Pickup State. The Indicator Light is Always on, Low Voltage will Alarm Prompt. When the LED is Blue, it is working. When the Red Light is Flashing, the Prompt should be Charged. When the battery is fully charged, the red is automatically turned off, which is the charging indicator.It can work continuously for more than 10-15 hours when fully charged. (The battery can continue to work for le1 hour when the battery is low). Main Feature: Highly Sensitive, Compatible, Omnidirectional Microphone with 3.5mm Connector, Secure the hot shoe on the camera to fully support device installation. Microphone output hole for connecting cameras, mobile phones, etc. Micro-USB Charging Port, which can insert DC 5V le 2000mAh USB adapter or computer USB port to charge the microphone. Monomer: Electrostatic Type Condenser Head Directivity: Super-cardioid Pointing Frequency Response: 50Hz-20kHz Sensitivity Enhancement: +10dB plusmn 2dB Sensitivity: -38dB plusmn 3dB (0dB = 1V / Pa at 1kHz) Equivalent Noise Level: 24dB A Maximum Sound Pressure Level: 130dB (THDle1.5% at1kHz) Output Impedance: 2000Omega plusmn 30% (at 1kHz) Channel: mono Operating voltage: Built-in 3.7V100MAH lithium Battery, power consumption le 5mA (Typical) Remarks: The Product Complies with EU Electromagnetic Compatibility 2004/108/EC and FCC Part15 standar
