Yes, Samsung Galaxy A70 does have fast charging support. It supports 25W of fast charging. The fast charger is also supplied in side the box.
Yes, Samsung Galaxy A70 does have a MicroSD card slot. You can use up to 512GB memory card inside.
No. Samsung Galaxy A70 has 2 dedicated slots for sim cards and a dedicated MicroSD card slot. Basically, one will be able to use 2 sim cards and a memory card at any time.
Yes, Samsung Galaxy A70 comes with the fast charger. The mobile comes with 25W fast charger.
Yes, Samsung Galaxy A70 does have NFC support.