1、HIGH DEFINITION: The 5.5 inch ultra HD screen with 1920 x 1080 high definition resolution brings you a broad visual experience and bright colors. 2、LITHIUM BATTERY: The smartphone is equipped with 4800mAh lithium battery, which supports 17 hours of talk, 24 hours of music listening and 6 hours of game playing. 3、EXCELLENT SYSTEM: Equipped with the latest for Android 11.0 system, using 12nm processor, for MT6580 8 core CPU and up to 2.0GHz, with quick response. 4、EXTERNAL INTERFACE: The smart phone has 3 card slots, 3.5mm standard headphone interface, Micro USB interface, convenient for connecting external devices. 5、FRONT REAR CAMERA: The phone is equipped with a front and a rear camera, capacitive touch screen, which can take photos, record videos, etc. at any time. Item Type: Smart Mobile Phone Model: M40 pro Color: Black Chip: For MT6580 8 Core CPU Network System: GSM: 850 900 1800 1900, WCDMA: 850 2100 GSM 4 frequency dual card dual standby Screen Size: 5.5in (the display screen is designed with beautiful curved rounded corners, and inch is the diagonal length when the rounded corners of the display screen are stretched to right angles) Resolution: 1920 x 1080 pixels Running memory (RAM) 2GB Body memory (ROM) 16GB Function: Face recognition, with WIFI, BT, FM Interface: Micro USB interface; 3.5mm standard headphone connector System: For Android 11.0 Memory Card Support: Up to 32GB expansion Card Slot: 3 Card Slots (2 SIM cards and 1 small memory card can be installed at the same time) Front camera 5MP, f/2.0 aperture, fixed focus Rear camera 8MP, color, f/1.8 aperture, auto focus Battery Type: Built in 4800mAh lithium battery (included) 1 x Mobile Phone 1 x Headset 1 x Adapter 1 x Charging Cable 1 x Protective Cover 1 x Protective Film 1 x English User Manual