generalBrand: XiaomiModel: Redmi note 9 Pro 5GColor: Autumn lake, blue sea and stars, silent starry skysystemOS: MIUI 12 (based on Android 10 OS)CPU: Qualcomm Snapdragon 750G Octa Core 2.3GHz, GPU: Adreno A618RAM: 8GBROM: 126GB/256GB (optional)Expandable Storage: 512G BexhibitScreen Type: DotDisplayScreen size: 6.67 inchesScreen resolution: 2400 x 1080 pixel FHD screenThe internetWireless Connectivity: GSM, 3G, 4G, 5G, GPS, WiFi, Bluetoothfrequency:2G GSM: B2/3/5/83G WCDMA: B1/2/5/84G FDD LTE: B1/2/3/4/5/7/8, TDD LTE: B34/B38/B39/B40/B415G: n1/n3/n41/n78/n79Bluetooth: Yes, 5.1WiFi: Yes, a/b/g 2.4G/5.0G WIFIGPS: Yes, GPS/AGPS/GLONASS/BEIDON/Galileo/QZSScameraCamera type: one front four rearQuad rear cameras: 100.0MP 8.0MP 2.0MP 2.0MPFront camera: 16.0MPVideo recording: yesconnectivitySIM Card Slot: Dual Nano SIM Card Dual StandbyTF card slot: yesUSB slot: Type-CAudio output: yes (charging port intercommunication)Microphone: supportSpeaker: supportmediaVideo format: 3GP, MP4, RMVBAudio format: WAV, AMR, MP3Image formats: GIF, JPEG, BMP, PNGFM radio: not applicablelanguageEnglish, Traditional/Simplified ChinesesensorAmbient light sensor, accelerometer, gyroscope, electronic compass, indicator light, linear motor, infrared remote control,Tail light sensor, ultrasonic distance sensorAdditional features5G, WIFI, GPS, Bluetooth, Gesture Sensing, Smart Wake, E-Book, Email, Message, Wallpaper, Calendar, Calculator, Clock, Camera,Tethering and portable hotspots, side-mounted fingerprint sensor, fast charging, Type-C, OTA, NFC, and moreBatteryBattery type: lithium batteryCapacity: Built-in 4820mAh (Typical)Standby time: about 2~3 daysCharger: USBDimensions and weights (main products)Dimensions: 165.38 x 76.8 x 9.0mmWeight: 215gPackage Contents1 mobile phone1 built-in battery1 Type-C data cable1 Thimble1 shell1 User Manual1 Power Adapter