High Quality Personal GPS Kids Tracker Lbs Sos Smartwatch for Kids Children Smart Watch Phone. LBS and WiFi Positioning: Ensures accurate indoor positioning with 100-500m LBS and 5-25m WiFi accuracy. Long Battery Life: Rechargeable 500mAh battery offers up to 3 days of usage and over 70 hours standby. SOS Emergency Alarm: Features emergency alarm and GEO-Fence alarm for child safety and lost watch recovery. Two-Way Voice Monitoring: Enables voice monitoring and voice messaging between the watch and mobile APP. Cloud Platform Support: Includes web platform and mobile app hosted on stable, fast cloud cluster servers. Multi-Certification Safety: Products certified with CE, FCC, RoHS, and ISO9001 for quality and safety assurance. Water Resistant Design: Built with water resistance to withstand daily wear and various weather conditions.