S23 Ultra 6.1in Smartphone 3G Dual SIM Smartphone Dark Green 4 Cores Mobilephone for Study Work Entertainment 100‑240V US Plug Item Type: S23 mobile phone Material: Metal, electronic components Weight: 448.00g/15.80oz Model: S23 Ultra Chip: MTK6580A quad core CPU Network format: GSM: 850 900 1800 1900MHz; WCDMA:850 2100MHz Screen Size: 6.1in Resolution: 1080 x 2320 pixels Running Memory (RAM): 4GB Body Memory (ROM): 32GB Function: Face recognition with WIFI BT FM GPS Interface: Micro USB, 3.5mm/0.14in standard headphone interface System: For Android 11.0 Memory Card Support: Up to 128GB expansion (including 16GB memory card) Card Slot: 3 card slots (supports simultaneous installation of 2 SIM cards and 1 small memory card) Front Camera: 8MP, f 2.0 aperture, fixed focal length Rear Camera: 16MP (color, f 1.8 aperture) autofocus Color: Dark green Battery Type: Built in 5000mAh lithium battery (included)