DH18 1.83-inch 4G Children Smart Watch Student 4G Calling SOS Camera Game Watch - YellowandBlack High-Resolution Front Camera: Equipped with a high-definition front camera for clear video calls and photos Ultra-Thin Design with Large Screen: Features a sleek,ultra-thin body and a spacious 1.83-inch display for easy viewing Versatile Functions: Includes multiple watch faces,a contact list,video calling,dialing,camera,photo gallery,voice chat,and language switching Educational Games: Comes with 7 educational games to engage and entertain your child Useful Utilities: Offers alarm,stopwatch,calculator,pedometer,and SOS emergency call functions for practical use Specifications: Material: ABS and Silicone Lens: Glass semi-transparent coated mirror lens Strap: Liquid soft silicone strap Waterproof Rating: IP67 Max Charging Voltage: 5.0V Battery: Capacity: 800mAh Standby Time: 3-5 days Talk Time: 8-10 hours Voltage: 3.8V Type: Polymer battery Display Type: IPS Size: 1.83 inches Resolution: 240x284 Capacitive Touchscreen: Capacitive (COB) Operating System: RTOS Solution: ASR3603S GPS or BDS: Supports GPS or BDS Ringtone: Yes Hands-Free: Yes Speaker: Yes,high-quality speaker Microphone: Yes,anti-interference receiver Buttons: Yes Button Light: High-brightness backlit screen Earphone Jack: No Charging Port: Magnetic charging port SIM Card Slot: Nano SIM card IO Port: 2-pin Memory: RAM: 128MB ROM: 128MB Camera: 30W Video Call: Supported Antenna: Built-in FPC GSM antenna Communication Network: WCDMA: B1,B2,B5,B8 LTE: B1,B2,B3,B5,B7,B8,B20 GSM: 850,900,1800,1900 Positioning: GPS or BDS: Supported WiFi: Supported AGPS: Class 12 LBS: Supported Phonebook: Can set up 10 family numbers for quick dialing and menu search Voice Chat Function: Two-way group voice chat MMS: No EMS: No E-mail: No Languages: English,Portuguese,Spanish,German,Turkish,Vietnamese,Russian,French,Italian,Swedish,Dutch,Polish,Finnish,Thai,Danish,Czech,Serbian,Norwegian,Hungarian,Slovak,Latvian,Estonian,Croatian,Ukrainian,Slovenian Package included: 1 x Kids Smart Watch 1 x Charging Cable 1 x English User Manual