No. Vivo S1 does not have the USB Type C port but it does have a MicroUSB port. The phone has fast charging support via MicroUSB port charging.
Vivo S1 is available in 2 color variants - Diamond Black & Skyline Blue.
Yes, Vivo S1 comes with 18W fast charger in the box and the mobile has fast charging support.
Vivo S1 has 6.38 inches of AMOLED Full HD plus display. It is further protected with Corning Gorilla Glass 5 level of protection. The mobile has a 90% screen-to-body ratio and has 19.5:9 aspect ratio. Vivo S1 offers 404 PPI of resolution.