SM-20 For Video Conference USB Noise Reduction Condenser Desktop Microphone 1. Installation steps: Plug and play design, detachable USB cable for easy installation 2. Quick mute key and powerful pickup pattern: Physical mute key reduces accidental touches and instant response, perfect for emergency situations such as coughing or sniffing. Cardioid pickup pattern focuses on the sound source in front of the microphone for easy sound capture 3. Premium aesthetic design attracts more attention: The metal body and bracket are coated with a smooth coating, providing a sturdy, stable structure and minimizing noise from desktop vibrations 4. Zero-latency monitoring: Real-time headphone monitoring provides stable, high-quality feedback for an enhanced audio experience. You can also adjust the monitoring volume to suit your preference via the built-in controls 5. 16mm capsule for richer sound: The larger capsule enhances the presence of low-end sound, provides fuller audio and smoother tone, making your voice sound bigger at the same speaking distance Specifications: 1. Frequency response: 40Hz-18000Hz 2. Operating voltage: 3.7V-5V (Type-C) 3. Operating current: 60-150mA 4. Interface: 3.5mm, Type-C 5. Sampling rate: 48kHz16bits 6. Microphone: Condenser, cardioid 7. Sensitivity: -39+-1dB