Mini tereo Microphone for Mobile phone Stereo Mic Dictation 4 Pole 3.5mm TRRS
This microphone has 4 Pole and works on PC or laptop with TRRS Jack port. If your laptop is old version, it may have TRS (3Pole) Jack port in which case our microphone does not work. 1 x Stereo Microphone (4 Pole- TRRS Jack).