"JEC" is an APP helps people to personalize best hearing experience with headphones integrating EarClarity technology. The simple step by step AI smart analysis can calculate your hearing age in several clicks and then save the best fit EQ to your headphones or you can adjust multiple channels by yourself. Hearing test is only a informational purposes only and is not intended to replace professional hearing test. Test results can not be used as a diagnosis. If you want to like to know more abo