The Prestigio PWC213 does not have a built-in microphone, unlike most of the other webcams of a similar type and age to this webcam which have a built-in microphone.
There are a number of other webcams which also have a built-in microphone which you might want to consider including the Gembird CAM0360U-1, the Acme United CA13 (£5.95), or the Genius FaceCam 321 (£13.47) which is also cheaper.
This webcam has a maximum video resolution of 640 x 480 pixels, which is the most commonly found maximum video resolution on webcams of this age and type.
With a megapixel of 1.3 megapixels, the Prestigio PWC213 has a fairly standard megapixel compared to most of the other webcams that came out around the same time as this webcam.
If this Prestigio webcam megapixel is too low for you then you might also want to look at the Genius FaceCam 321 (£13.47) (8MP and cheaper).
This Prestigio webcam has been on the market since April 2017.