My equipment isn't wireless. I'll need some adapters if I buy a 7: 1. Apple supplies 3.5mm adapter. I can use my existing better headphones. 2. Male to male 3.5mm. I mostly use the EarPods for watching video on my computer. Edit: how do I use the lightning headphones with my computer? Someone will need to make the adapter. 3. Lightning adapter with pass through charging for each car (3.5 line out). Assuming someone will make this. What would your setup require?