1. 3.5mm earphone jack: only supports music listening/in-line control, it does not support phone calls
2. iP earphone jack: Listening to music/in-line control/make phone calls/undamaged sound quality
Connecting with a 3.5mm earphone and an iphone digital earphones at the same time, the iphone digital earphone will be connected first.
It does not support 3.5mm earphone phone calls