No. Oppo A5s does not have fast charging support.
Yes, Oppo A5s does have a 3.5mm headphone jack.
Yes, Oppo A5s does have the support for the face unlock. Besides, it also has a fingerprint sensor.
No. Oppo A5s does not have the NFC support.
Yes, Oppo A5s has a dual rear camera set up. The primary rear camera has a resolution of 13MP while the secondary rear camera is of 2MP resolution.