Hot selling 4G waterproof Senior GPS Tracking Tracker Smart Watch with removal alert blood pressure thermometer SPO2 fall down detection Y6Ultra. Comprehensive Health Monitoring: Tracks heart rate, blood pressure, blood oxygen (SPO2), and body temperature in real-time. Advanced Safety Alarms: Features fall down detection, removal alert, and loud ambulance sound for emergencies. IP67 Waterproof Design: Fully waterproof bracelet suitable for daily wear and various weather conditions. Multi-Mode Positioning: Combines GPS, LBS, and WiFi hotspots for accuracy within 5 meters. 4G Network Compatibility: Supports 4G/3G/2G networks with specific frequency bands for global coverage. Lifetime Free Platform: Beesure GPS app and AWS Cloud server platform are free for the lifetime of the device. Two-Way Voice Communication: Enables clear two-way calls and remote monitoring/listen-in capabilities. Long Battery Life: 800mAh battery provides 3-4 days of working time with 4-5 hours charging.