DH03 4G 1.44-inch Screen Kids Smart Watch 1+8G Safe GPS Tracker Watch with SOS Alerts - Blue •Enjoy seamless video calls with the convenience of our smart Android system,providing easy communication at your fingertips •Experience precise location tracking with LBS,GPS,and WIFI capabilities,ensuring accurate positioning for peace of mind •Stay connected on-the-go with 4G full network support,enabling you to stay connected wherever you are •Personalize your watch face with dynamic options,adding a touch of flair and personality to your device •Experience the power of multifunctionality with our feature-packed smartwatch,combining communication,navigation,and customization in one sleek package •Specification: •Operating system: Android 8.1 •System data type: 32 bit •Main chip model: SL8521E •Main frequency: 1.2GHz •Architecture: Dual-core ARM CortexTM A7MP processor •GSM/WCDMA/FDD/TDD: GSM:B3 B8/WCDMA:B1 B8/TDD:B38 B39 B40 B41/FDD:B1 B3 B5 B8 •2G rate: GPRS •3G rate: WCDMA •4G rate: CAT4 •Call method: VOLTE support/video call support/GSM call support •Memory type (ROM\RAM): NOR •Memory capacity (RAM+ROM): RAM 1GB+ROM 8GB •LBS base station positioning: support •Base station positioning accuracy: 100-1000M •Chip model: Integrated inside the main chip •GPS signal: L1,1575.42MHz C/A code •Number of GPS channels: 22 channels •GPS chip receiving sensitivity: Tracking:- 165dBm/Capture:- 148dBm •GPS positioning accuracy: 5-15 meters •GPS antenna: LDS antenna •AGPS: support •AGPS positioning time: cold start 30 seconds •WiFi: support •WiFi chip model: integrated inside the main chip •WiFi standard: 802.11b\802.11g\802.11n •WiFi hotspot: Not supported •WiFi data transmission function: supported (disconnect the network after turning off the screen) •Fitting method: OGS full fit •Screen type: LCD •Screen manufacturing process: IPS •Size: 1.44 inches •Chip IC\Interface type IC: GC9307N+IVO •Resolution:240*240 •Viewing angle: full view •Touch type: capacitive •Production process: COB •Panel shape: 2.5D •Panel thickness: 1.8mm •Anti-fingerprint oil: Yes •Number of touch points: single point •Front camera pixels: 30w •Lens type: CMOS •Proactive IC: SP0A19 •Battery core specification: 652834 •Battery capacity: 920mAh high voltage •Cell type\voltage: polymer battery\4.35V •Standby current: 6mAh •Theoretical standby time: 70H •Charging current: 300mAh •Charging time: 2.5H •Appearance size: 230x45x16mm •Power button: power on/off function/return function •SOS key: SOS answer/hangup function Package included: •1 x Smart Watch •1 x Charging Cable •1 x English User Manual