The smartphone can run two sims and a memory card at the same time because it comes with triple slots (two nano sim slot and a microSD card slot). Also it supports 4G with VoLTE on both the sims simultaneously i.e. you can use two Jio sims at the same time.
Realme C1 Specifications ::
Display - 6.2 inch HD+ display with a 1520x720 pixels resolution with 19:9 aspect ratio and Corning Gorilla Glass protection
Processor - 1.8 GHz octa core Qualcomm Snapdragon 450 processor alongside Adreno 506 GPU
OS - ColorOS 5.1 based on Android Oreo 8.1
Memory - 2 GB RAM, 16 GB internal storage expandable via microSD card up to 256 GB
Camera - 13 MP + 2 MP dual rear cameras with LED Flash and 5 MP front-facing camera
Connectivity - Dual-SIM, dual 4G VoLTE, 3G, 2G, Wi-Fi 802.11 b/g/n, Bluetooth v4.2, GPS
Battery - 4230 mAh
Realme C1 will be exclusively sold via Flipkart in Ocean Blue and Deep Black color variants starting from 11th October, 2018 at 12 PM for a price of Rs.6999.