Amazfit T-Rex Pro Smart Watch

Amazfit T-Rex Pro Smart Watch, Rugged Military Certified, GPS, 18-Day Battery, Heart Rate Monitoring & VO2 Max, Sleep & Health Monitoring, 10 ATM Water-Resistant, with AI Fitness App (Black) Details Operating System Amazfit OS Memory Storage Capacity 2300 MB Special Feature Water resistant Connectivity Technology Bluetooth Wireless Communication Standard Bluetooth Battery Cell Composition Lithium Polymer GPS GPS Enabled Shape Heart,Moon Screen Size 1.3 Inches Brand Amazfit