Feature: 1. Cardioid pointing can provide a perfect and accurate recording to eliminate environmental noise and make the sound clearer. 2. Just connect the USB microphone to the port of the computer, compatible for Windows of PC, computer and laptop, no driver required. 3. With adjustable base microphone stand, desk clamp and other fixing devices, it is convenient to keep stable placement during recording. 4. With volume adjustment, reverberation adjustment, monitoring, mute, and noise reduction functions, it is practical. 5. The included parts can effectively minimize the noise caused by unnecessary vibration or blasting sound, ensuring a good recording effect. Specification: Item Type: Microphone Set Model: BM-858 Material: Aluminum alloy + plastic Support Tube Material: Aluminum alloy Mesh Head Material: Iron Tube Color: Black Mesh Head Color: Black Power Supply Mode: USB power supply (5VDC) Directivity: Supercardioid pointing Sensitivity: -36db±1db Frequency Response: 20HZ-20KHZ Output Impedance: 150Ω Current Consumption: 3mA Output Interface: USB interface Sampling: 48000HZ/16Bit Monitoring Method: Earphone/audio Connection Cable: USB interface, black Cable Length: Approx. 1.5meters / 4.9ft Features: Volume adjustment, reverberation adjustment, monitoring, mute, and noise reduction functions. The volume is from left to right from small to large, and the reverberation from left to right is short to long (generally only need to open one-third of the reverberation), the monitor can be connected to the earphone or audio, and the mute function is turned on in the monitoring situation. To the user’s voice, but you can hear the sound from the headset. Noise reduction, when the microphone is turned on, the default noise reduction is 36DB. The nearby noise and noise are very quiet. If you press and hold the button to turn off the noise reduction function, the noise and noise will be significantly larger. Short press is the mute function, and both have indicator lights to indicate the blue light and the red light. Note that if you are using a laptop computer, please note that it is driven by the default microphone when setting, and the self-monitoring function should be disabled on the computer.. Package List: 1 x Microphone Set1 x User Manual1 x USB Adapter(Black and Silver Random Shipment)1 x Condenser Microphone Cable1 x Fixed Bracket1 x Outer Cotton Cover1 x Tripod