Operating system Zepp OS Memory storage capacity 512 MB Special features Activity Tracker, GPS, Multisport Tracker, Notifications, Text Messaging Battery capacity 260 Connectivity technology Bluetooth About this item Resilient Watch Body & Sapphire Glass Screen: This smartwatch pairs a polished stainless steel body with a scratch-resistant sapphire crystal screen. The vibrant 1.75" AMOLED display (2,000 nits brightness), ensures sharp, clear viewing in any environment. Free Downloadable Maps: Download maps via the Zepp App and get turn-by-turn voice directions through the speaker or your Bluetooth headphones. Connect quickly and track your GPS position accurately, with support from 5 satellite systems. Personalized Training Plans: Boost performance with AI-generated workout plans that adapt to your progress and recovery with the integrated Zepp Coach of the smart watch, which provides plans for general workouts, or specialized running plans for races from 3K up to marathons. 160+ Workout Modes: Track activities like running, cycling, yoga, padel, and even dog walking. The watch is water-resistant and features a barometer, so sports like swimming and skiing are fully trackable. 24/7 Health and Fitness Monitoring: Amazfit's BioTracker technology provides precise, real-time monitoring of heart rate, sleep, and much more. Train and recover with confidence that the data you get will reflect the work you put in.