The spool is really compact and small compared to the larger ones commonly made. I thought the extra part was for the mute button, my fault it's for more volume control. Your headset is really compact to take with you, Amazon has many cases to choose from. I am very satisfied with the processing quality.
JOYUSING 8MP Document Camera for Teachers - VGA/HDMI/USB Three Mode, Mac, Windows, Chrome Compatible - Ideal for Online Teaching, Distance Learning, and Web Conferencing
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