Ɱօղօʂçօքҽ

With this test you can measure your cognitive ability and the learning of the various audible frequencies detected.
I recommend that you take the test in a quiet place without interruption.
βҽąէì ʍօղօçմӀì ìղ ɾҽցìօղҽ çąҽɾçօɾմʍ._