A:Answer1..) iPhone 6 does not support wireless charging
2.) iPhones that are compatible can't have any kind of metal between the phone and the charger - depending on the charger it can either not work or actually be a major safety issue.
A:AnswerAs of now apple has yet to produce an iPod touch that supports wireless charging. That includes iPod touch gen 4. So this wireless charger would not work with your iPod.