ah ha.. a simple search took me to this
1,814 Posts. Joined 3/2010
Location: FiiO Electronics Technology Co., LTD
Yes, the E18 will comes with HID features, so you can control the play/pause/previous/next in E18 without turn on the screen on Android phone.
The shape already decided, we now working in find a suitable DAC chip for it because too many FiiO model has WM8740. it is still very good, but
I am wondering whether we should choose a new DAC chip.