Check Presbycusis & Mosquito Technology effiectivenessTest out your ability to hear high frequency tones with this handy online hearing test. The results should not be a substitute for the professional opinion of an ear doctor. We test the ability to hear tones in the 8khz to 18khz range. Most sounds that you hear everyday fall well below that level.
Your ability to hear has been shown to be affected by how long you listen to loud noises, regardless of the frequency of them. Tones like the Mosquito Ringtone "should" be harmless to your ears at moderate levels, just don't blast it while you ear is next to a speaker or while you have headphones in or against your ears.
Play and select the highest frequency tone you can hear: