Anonymous ID: b5ada4 Jan. 7, 2019, 8:31 p.m. No.4656639   🗄️.is 🔗kun   >>6657

>>4656355

What frequency anon? From memory mine is about 12.9kHz. Will have to retest when I can find somewhere quiet.

 

I use a frequency generator app and headphones, low volume, and change frequency until I can't distinguish it.

 

Had my hearing tested and it is excellent.