In addition to the hardware for making annotations, DoIT offers this list of list of supporting peripherals for web conferencing.
USB or bluetooth should work fine, but check compatibility with your computer. Look for USB, but if your laptop doesn’t have USB ports, you will need to use Bluetooth. A noise cancellation microphone and padded ear cups are essential. You can use
If your laptop or computer does not have a webcam and you want to send video, you will need to get an external webcam. Logitech makes several high-quality, reasonably priced webcams.
- Example: Logitech C920s HD Pro Webcam
Look for portability: A folding document camera is easier to store when not in use. HD video is essential if you are planning to display fine details for experiments or demonstrations or to capture handwriting formulas.