Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
For sale: TinHiFi P1 Max 2 (giant panda) headphones - planars. After review. Reviews, descriptions, comparisons on the internet are plentiful. Good headphones, but for a normal source, at least 70mW/32ohm. But you can listen with a dongle.
