What does hm stand for?
hm stands for "Headset Microphone"
How to abbreviate "Headset Microphone"?
"Headset Microphone" can be abbreviated as hm
What is the meaning of hm abbreviation?
The meaning of hm abbreviation is "Headset Microphone"
What does hm mean?
hm as abbreviation means "Headset Microphone"
