Easily clip on a variety of computer/laptop/PC/desktop etc. True plug & play USB web camera, driver-free. Built-in sound absorption microphone, your voice can be heard clearly in 10 meters. Manual adjustable focal length, easy to adjust to meet your need. Left & right 360 degrees and up & down 60 degrees rotatable, you can freely adjust the camera as required. Adopting quality optical glass lens, high precision and no distortion.