FA83S 1.69-inch 4G Network GPS Tracking Elderly Care Smart Watch Support Heart Rate Blood Pressure Monitoring 1. Physical Tamper Resistance: High-strength steel lock core, unlockable only with exclusive key to prevent accidental removal. 2. Smart Upgrade Chip: Multi-signal compatible, +85% positioning speed, +63% signal strength, -77% power consumption, globally compatible. 3. Big Screen & Loud Sound: 1.69-inch high-definition screen + loud and clear speaker, easy for the elderly to see and hear. 4. Multi-Mode Precise Positioning: GPS+Beidou and other modes, accuracy up to street and house number level. 5. Two-Way Voice Call: Auto-answer available, one-key SOS emergency call, simple operation. 6. HD Video Call: Built-in HD camera for real-time video, peace of mind from afar. 7. Vibration + Ringtone Dual Alerts: Designed for the elderly with dementia or hearing impairment, hard to miss reminders. 8. Personalized Voice Chat: Real-time voice interaction, strengthens family bonds. 9. Fall Alert Protection: Intelligently detects accidental falls and automatically sends SOS alarm. 10. Intelligent Medication Reminder: Custom voice reminders for timely medication, care even when apart. 11. Low Power & Long Battery Life: 700mAh polymer battery, long endurance with no false advertising. 12. IPX6 Daily Waterproof: Precision sealed structure, suitable for handwashing, short-term immersion and daily use. 13. Health Monitoring: Professional optical sensor for 24-hour real-time heart rate, blood pressure and blood oxygen monitoring. Specifications 1. Functions: GPS+Beidou+WIFI+LBS multi-mode precise positioning, active GPS antenna, video call, real-time positioning, SOS call for help, heart rate, blood pressure, blood oxygen saturation, Medication Reminders, Geofencing Alerts 2. CPU: ASR3603S 3. System: Rtos 4. Memory: 192MB ROM + 128MB RAM 5. Screen: 1.69-inch IPS HD screen 6. Resolution: 240x280 7. Network Bands (Eurasia-Africa Version) 2G Band: B2B3B5B8 4G FDD: B1B2B3B5B7B8B20 8. Network Bands (American