The Karbonn Aura Sleek 4G runs Android 6.0 Marshmallow OS The smartphone has a 5-inch FWVGA IPS LCD display Other latest variant of this phone is Karbonn Aura Note 4G It has a 5MP rear camera with an LED flash and a 2MP front-facing camera The device is powered by a 1.25GHz quad-core MediaTek processor and 1GB RAM It has 8GB internal storage which can further be expanded via a microSD card Connectivity options include dual-SIM 4G LTE, Wi-Fi 802.11 a/b/g/n, Bluetooth v4.2, GPS, and a microUSB v2.0 port The device is powered by a 2,000 mAh Li-Ion battery