NEarpho00

Huawei Earphone ERJ11CRWQD3,D3.5mm,2*3P Plugs,QD Connector In The Middle Line,Telephonist Used With Noise Cancel,Unfixed SoundTube,Monaural,Headband,Noise canceling Microphone

1 / 2.7 inch, 3.6mm fixed focus, 30m infrared light compensation, Behavior analysis: fast movement, over-line detection, area intrusion, entry / exit area Anomaly detection: occlusion detection