The Koramzi 1080P Webcam with Microphone is a high-quality web camera that is compatible with both Windows and Mac OS PCs, laptop computers, and desktops. With its USB 2.0 plug and play capability, it is easy to set up and use. Enjoy clear, crisp video and audio for all your video conferencing and online communication needs.

Features:

• 1080P (30 FPS) FULL HD Video
  
• Built-in Stereo Microphone. 
• Accurate and Fast Autofocus Technology
• USB 2.0 Plug and Play
• Driver-Free Installation
• Auto Focus
• Widely Compatible Systems and Application Software
  
• Automatic white balance, automatic color correction 
• Exclusive elegant design, simple but powerful. 
• Voice Record Distance: 0-5 M
• Video format: JPEG, YUY2
• The Maximum Dynamic Resolution: 1920*1080P
• Pixel: 5 Million
• Frame Rate: 30 FPS
• Viewing Angle: 90°
• USB Data Cable Length: 4.3 feet
• Product Weight: 0.15 lb.

 Note: 

• If the mic didn't work, that is because the computer gives the wrong channel for the webcam microphone if you had used another camera (or other devices) for the computer, the right channel is occupied, so your computer distributes the wrong channel to new webcam. 
• Please open the device manager of your computer and find the audio. 
• You should find the recording equipment in the system. 
• Find the device you are connected to and click enter properties.
• Enter advanced options for properties.
• Select the channel type you want to select. Mono selection 1 channel ,stereo selection 2 channels.
• Plug the webcam in again and it will work normally.