Online frequency generator to test your hearing. Should be able to hear between 20 and 20,000 Hz. 8th grade science class in Maryland. Frequency hearing test #2. Man does hearing test activity with his class that ranges up to 19,000 Hz, and he had them raise their hand up if they could still hear the frequency and put it down if they couldnt anymore
Added
06/03/2024
Location
Bel Air, MD
UID
6757699464
Resolution
3840x2160
Orientation
HORIZONTAL
Length
01:02
Footage type
POV