Yes, Oppo K1 does have the Corning Gorilla Glass 5 protection.
No. Oppo K1 has a micro USB port.
No. Oppo K1 does not have the NFC support.
No. Oppo K1 does not have the FM radio support.
Oppo K1 does not have the Vooc charging support. But it does come with a 10W charger in the box. It takes about 150 minutes to fully charge the mobile battery from 0% to 100%.
Keeping in mind that the Oppo K1 is the only phone with an in-display fingerprint sensor in its price band, the launch price of Rs. 16,990 is not too bad.
At the price, it has great performance, a good battery, impressive cameras and much more. It is also the cheapest smartphone you can get with an in-display fingerprint sensor.