1、Unimaginable Large Screen Smartphone: I13 Pro Max cell phone adopts 6.1 inch ultra high definition screen. Not only brings a wider visual experience, but also has extraordinary vivid colors and stunning clarity, allowing you to explore every detail and maximize your visual experience. 2、4000mAh Large Battery: The i13 Pro Max phone comes with an above average 4000mAh battery that lasts longer than you expect. 6 to 10 hours for talking, 8 to 15 hours for listening to music, 3 to 5 hours for gaming etc. Smart and thoughtful AI battery management can reduce excessive cache to save more power, thus extending standby time. 3、For Android 11 Smartphone: The dual SIM unlocked phone comes with the latest for Android 11 system, MTK6737 and up to 2.0GHz, using 12nm processor. The architecture runs multiple applications with enough fluidity and responsiveness to meet your productivity and entertainment needs 4、Camera and Navigation System: With 16MP rear camera and 8MP front camera, you can further edit your photos with filters, emotion icon or other techniques, and face unlocking your phone takes just a second! Three in one navigation system, GPS, GLONASS, Beidou navigation, positioning is faster. 5、Network Standard and Card Slot: GSM 850, 900, 1800, 1900MHz; 3G: WCDMA 850, 1900, 2100MHz; 4G:B1, B2, B4, B5, B7, B8, B20, B28A, B28B, B40, dual SIM dual standby. Three card slots (two nano sim cards and one micro memory card can be installed at the same time), micro memory card supports up to 128G. Item Type: Mobile Phone Material: ABS, LCD Weight: Approx. 400g / 14.1oz System: for Android 11 System Supported Languages: Multi Language CPU: MTK6737 Memory: 4GB and 128G (Built in 64G Memory Card) Hard Disk: Micro Memory Card, Maximum Support 128G Display: 6.1 Inch HD+ Large Screen Bluetooth: Support I/O: 1 Type C (Charging Port Is Shared with the Headphone Port) Horn: Support Vibration Motor: Support Microphone: Support WIFI: External High Performance, Low Power Dual Band 5G WiFi Network Standard: GSM 850, 900, 1800, 1900MHz; 3G: WCDMA 850, 1900, 2100MHz; 4G:B1, B2, B4, B5, B7, B8, B20, B28A, B28B, B40, Dual SIM Dual Standby Card Slot: Three Card Slots (two nano sim cards and one micro memory card can be installed at the same time) Gravity Sensing: Support GPS: Support Camera: Front Camera 8MP, f/2.0 Aperture, Fixed Focal Length; Rear Camera 16MP, Color, f/1.8 Aperture Battery Specifications: 4000mAh Lithium Battery (Inclusive) Other Functions: Face Unlock 1 x Mobile Phone 1 x Phone Case 1 x Mobile Phone Film 1 x Adapter 1 x Data Cable 1 x Headphone 1 x Card Pin 1 x Manual