The product is designed for professional occasions, such as camera shooting, mobile photography, and interviewing, etc.  Compatible with common mid- to high-end cameras, SLR cameras and mobile phones, and can be installed conveniently and quickly. Built-in battery, USB direct power supply. Small and easy to carry.  Including accessories with beadcat connecting line.   Features: Built-in professional high-performance super-cardioid pickup microphone with long pickup distance, wide frequency response and high-definition sound resolution.  Adopt NCR noise reduction pickup technology, superior noise floor suppression characteristics.  Support headset real-time monitoring.  External +10dB sensitivity enhancement switch for different sound intensity pickups.  Built-in polymer rechargeable lithium battery. With low power indication, you can control battery usage at any time.  Lightweight structural design.   Specifications: Model: MIC-07Pro;  Material: Aluminum alloy;  Monomer: Electrostaic capacitor head;  Directional Pattern: Super-cardioid directional pickup pattern;  Frequency Range: 50Hz-20kHz;  Sensitivity Enhancement: -10dB±2dB;  Sensitivity: -38dB±3dB (0dB=1V / Pa at 1kHz);  Equivalent Noise Level: 24dB A;  Output Impedance: 2000 Ohms ±30% (at 1kHz);  Maximum Sound Pressure Level: 130dB (THD≤1.5% at 1kHz);  Channel: mono;  Battery Life: The battery is fully charged for 15-20 hours of continuous use;  Operating Voltage: Built-in 3.7V/100mAh Lithium battery, power consumption≤2mA (Typical value);  Item Weight: 50g / 1.8oz;  Package Size: 13.6 * 10.1 * 4.3cm / 5.4 * 4 * 1.7inch;  Package Weight: 120g / 4.2oz;   Package List: 1 * MAMEN MIC-07Pro Video Microphone;  1 * Windproof Foam Windscreen;  1 * Deadcat Windscreen;  1 * 3.5mm Camera Cable;  1 * 3.5mm Mobile Phone Extension Cable;  1 * Micro USB Charging Cable;  1 * Flannelette Pouch;  1 * User Manual (English, German, French, Spanish, Italian, Japanese)