Features1.Powerful and clear sound in unique design2. Brand new and high quality.3. Use this for a video conference.4. Superior clarity for voice.5. Sensitivity: -58dB SpecificationColor: Black Head dimension: D6.0*H5mmConnector size: 3.5mmDirection: All directionsWorking voltage: 4.5VWire length : 100CMThe Micphone cannot connect with Computer Directly .It have to connect with loudspeaker for Using !!! Pls be noted :1， a directional microphone， make sure the microphone above two holes (sponge to the next can be seen) with the mouth，2， the most suitable distance away from the mouth microphone is 10-15MM3， the microphone plug into the corresponding receptacle on the host computer (not into the audio input jack hole)4， in order to achieve the best results， it is recommended to use the original microphone5， try to avoid multiple spots microphone plug， side cause poor contact Packing content1x Speech Mic Mini Studio Microphone