circuit board

This pcb will play the pre-given bluetooth audio file when trigger ports are activated. (1 or 2. or both)
when trigger ends pcb stops playing audio.

pregiven audio is repeated every second bip sound (like alarm)
buzzer will make noise same as trigger port energized, and stops de-energized. also can be cancelled with on/off dip swith (only buzzer Bt audio will not stop)

components;
power supply (12-15V dc)
buzzer (with on/off dip switch)
2 trigger port (energized by 12-15V dc)
button for pairing pcb with other bluetooth receiver (smart phone)

Pcb must have a unique bt adress for pairing. once paired no need to pair again when re-energized
long press for pairing button must start a new pairing mode.

I will want a working demo pcb before final approval
I will want estimated cost for manufacturing
all pcb manufacturing data's. software etc for manufacturing must be given by bidder.