Tax Free in Spain for Iphone 14 Pro

Hello all Apple Users from non-Eu country

I would like to buy a iphone 14 pro in Barcelona and I would like to take tax refund as from non Eu country’s citizens. I will pass to Nice from Barcelona and I want to learn can i take tax refund from Barcelona tax refund centers( I mean i will pass another eu country before I will back my non eu country)And for 1400€ costed iphone how much money can i take refund approximately?