1. Plug the webcam to the computer through a USB port, Then Open Skype, click on [ Audio& video] setting and select [HD USB Camera] from Audio option.
2. If the recipient is not able to hear you, you should check below:
a. Microphone is enabled.
b. While talking, [ HD USB Camera ] is selected as audio source on [Audio& Video] setting.
c. Make sure that the volume level is set to the maximum
If you are not able to hear the person at the other end, Please check your whether there is a speaker of your laptop or not. (Our webcam is not equipped with speaker )