1、6.58in Large Screen: The 6.58 inch high definition large screen can meet daily business and household needs, and can bring you the ultimate experience of large screen when playing games. 2、Support Memory Card: The smartphone has 4GB RAM and 64GB ROM, and supports the maximum expansion of 64GB (support the installation of 2 Nano SIM cards and 1 small memory card at the same time) 3、High Pixel: The front camera has 5MP, f 2.0 aperture and fixed focal length. The rear camera is 16MP (colorful, f 1.8 aperture) and has auto focusing function. 4、Better System: The system of this mobile phone is based on the in depth development of for Android system, which is more perfect and smoother to use. 5、Long Endurance: The unlocked smartphone uses 5200mAh lithium battery, which can be used for a long time without worrying about insufficient power. Item Type: Unlocked smartphone Material: Plastic, electronic Weight: Approx. 271g/9.6oz Color: White Screen Size: 6.58in Chip: MTK6580 quad core System: For Android 8.1 Network System: W network 3G band: 850, 2100, 1900 Operation and Body Memory: 4GB, 64GB Front and Rear Camera Pixels: 5MP, 16MP Resolution: 720x1280 Card Slot: 3 card slots(2 Nano SIM cards and 1 small memory card can be installed at the same time) Battery Type: Built in 5200mAh lithium battery(Built in) 1 x Unlocked Smartphone 1 x Wired Headset 2 x Protective Film 1 x Charging Line 1 x Adapter 1 x Mobile Phone Shell 1 x Instructions