The Stellar Mi 519 has connectivity specs as 2G/3G/4G, Wi-Fi, Bluetooth v4.0, FM radio, 3.5mm audio jack, Wi-Fi tethering, Wi-Fi hotspot, Wi-Fi 802.11 b/g/n, GPS/A-GPS and micro-USB. The 8GB built-in storage can be expanded till 32GB via microSD card. Other features include 2500 mAh battery, , multiple Indian language support, and connectivity.
The main highlight of the Spice Stellar 519 is, it supports dual-SIM and both slots features 4G LTE connectivity. It is also running on Android v4.4 (KitKat) OS. The phone is backed by a Li-Po 2500 mAh battery, that is rated for 10 hrs talk-time and up to 11 days of standby in 2G network.