Smart watch for children 4G with GPS system

Smart watch waterproof for children with tracking, calling, and emergency system. Screen: 1.4 inch color touchscreen, 240x240 pixels. System: Android, iOS. Operation: Spreadtrum SC9820E, 1.2 GHz dual-core CortexTM A7 processor. 50M GPS accuracy. Wi-Fi accuracy: 100M. 500M LBS positioning: AGPS, LBS, Wi-Fi. Network: 2G (GSM B2/3/5/8), 3G (WCDMA B1/2/5/8), 4G (FDD-LTE: B1/2/3/4/5/7/8/12 or 17, 20/28A). Card: Nano SIM. Memory: RAM: 512MB; ROM: 4GB. Connection: Phone numbers and SOS support. Supports sensors and remote support. Battery: 650mAH lithium battery, 2 days working life. Bluetooth: supports Bluetooth. Strap width: 21mm. Strap thickness: 15.5mm. Dial diameter: 41mm. Total watch length: 24cm. Multiple languages: Arabic, English, French, German, and 16 other languages. Tracking app: Setrack. Accessories: USB charging cable without head for charger, screwdriver, user manual.