1. MTK6737 Quad Core Cortex-A53 up to 1.25GHz CPU, ARM Mali-T720MP1 650MHz GPU. 2. Android 6.0 or Android M operation system. 3. 5.5 inch 1280*720 HD truview 2 IPS (typ 500cd/m2, min: 460cd/m2) screen. 4. 5 points on-cell capacitive full-lumination touch panel. 5. LED Indicators: - The red light flashing: Battery is lower than 10%. - Green light flashing: Notification - Red light (charging status): Battery is less than 90%. - Green light (charging status): Nearly complete charging or charging full (90% 100%). 6. Power by 4.35V 3200mAh lithium-ion battery. 7. Support LTE/WCDMA/GSM/GPRS/EDGE network