Any feedback will help us figure out any possibility and them we can decide how to improve the quality. So far I guess at least 3K E10 had been sold to end user. any we have not receive any
unusual feedback about the quality of E10, of course, there are some people meet the problem when using the earphone with MIC for iPhone, and we will change the headphone socket in the
And E10 does not support asynchronous transmission.