1. support the new ios11 system
With PC+ABS high gloss effect, the whole product is more exquisite.
2. functions are complete:
A: dual lighting just matches iPhone original lightning earphone and data line, and 3.5 solves the problem of ordinary headphones.
B: dual lighting using original headphones can be called, line control.
C: the sound quality transmitted through the secondary switch is comparable to that of the original earphone.
D: support for IOS10 and IOS11 (no popup)
