
I use a microphone to use closed captioning in class. I have students who do not understand English but can read in their mother tongue. So when I speak, the microphone picks up my voice and writes on my screen in the student's native language.

Verbatim 4.7GB DataLifePlus DVD-R 50-Disc Spindle: White Inkjet Printable with Hub Printable - 16x Recordable Disc (95079)
10 Review

Sony 8cm DVD-R Double Sided Hangtab 3-Pack 3DMR60DSR1HC
11 Review

π Verbatim BD-R 25GB 6X Blu-ray Recordable Media Disc - 3 Disc Jewel Case Box - 97341: High-Capacity Blu-ray Recording for Optimal Storage
10 Review

High-Quality Philips 16X DVD+R Media 50 Pack π - White Inkjet Printable - Versatile Cake Box Packaging (DR4I6B50F/17)
10 Review