Children's 4G Smart Watch SOS GPS Positioning Video Call Sim Card Children's Smart Watch Waterproof Watch Boys and Girls

Built-in voice assistant: Yes Bluetooth compatible version: 5.3 Wi-Fi: Yes Functions: heart rate monitoring, other, blood oxygen monitoring, sleep, blood pressure monitoring, blood sugar monitoring, body temperature monitoring, pressure monitoring Removable strap: No Battery removable: No Style: Fashion Application age group: children Screen Shape: Square Waterproof grade: lifetime waterproof SIM card available: Yes GPS: Yes Network mode: 4G Battery capacity: > 450mAh Rear camera: 13 million pixels Memory: 4GB ROM: 32 GB Compatibility: All compatible