Gionee X1s has metallic finish polycarbonate body.
No. Gionee X1s does not have the NFC support.
Gionee X1s has 4000 mAh Li-Polymer battery. It offers 34 hours of talk time and standby time of 190 hours.
Gionee X1s has Android 7.0 Nougat and on top of it, Gionee has used Amigo 4.0 as the user interface.