Feature:1. 4.5in Ultra HD Screen: With a 4.5 inch ultra HD screen and 1960x1080 resolution, this phone not only delivers a broader visual experience, but also has extraordinary vibrant colors and amazing clarity, allowing you to explore every detail and maximize your visual experience.2. 4950mah Battery: The smartphone comes with a large 4950mAh battery that lasts longer than you expect, with 17 hours of talking, 24 hours of listening to music, 6 hours of playing games and more. Thoughtful AI battery management reduces excessive cache to save more power, resulting in longer standby time.3. MTK6889 Deca Core: Equipped with for Android 10.1 system, MT6889 deca core CPU and up to 2.0GHz with 12nm processor, this phone can run multiple applications at the same time to meet your work and entertainment needs.4. 5MP Front 13MP Rear Camera: With 13MP rear camera and 5MP front camera, you can further edit your photos with filters, emoticons or other techniques, and support a variety of shooting modes such as panorama, time and more.5. Practical Features: The smartphone comes with face recognition, WIFI, Bluetooth and FM. the phone supports expansion up to 128GB(not included) and supports simultaneous installation of two SIM cards and a memory card.Specification:Item Type: CellphoneMaterial: Plastic, electronicsWeight: Approx. 400g/14.11ozModel: S21 Back Cover: External removable cover phoneChip: MTK6889 deca coreNetwork System: GSM: 850 900 1800 1900WCDMA: 850 1900 2100Screen Size: 4.5 inch HD screenResolution: 1960x1080 RAM: 4GBROM: 32GB (expandable to 128GB)Features: Face recognition, wifi, bluetooth, FMInterface: For Android USB charging port, 3.5mm standard headphone portSystem: For Android 10.1Memory Card Support: Up to 128GB expansion support (supports simultaneous installation of two SIM cards and a memory card)Front Camera: 5MP, f/2.0 aperture, fixed focal length Rear Camera: 13MP (color, f/1.8 aperture) autofocusApplicable Voltage: 100-240VBattery Type: Built in 4950mAh Lithium battery (included).Package List:1 x Cellphone1 x Headset1 x Data Cable1 x Protective Case1 x Protective Film1 x Adapter 1 x English ManualNote:1. This phone is only available for 2G 3G networks.2. This phone does not have GPS and gravity sensing features.