Advanced multisport GPS smartwatch for athletes/adventurers features a 1.4” solar charged display with scratch-resistant sapphire lens, durable titanium bezel and built-in LED flashlight for after-dark visibility Battery performance: up to 48 days of battery life in smartwatch mode with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions) and up to 149 hours in GPS mode with solar charging (assumes continuous use for entire period in 50,000 lux conditions) — all with an always-on display, so you’re ready to take on the toughest challenges Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked) For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more Off-grid voice command feature lets you access select watch controls even without a smartphone connection Navigate the outdoors with superior positioning accuracy, thanks to multi-band GPS with SatIQ technology plus built-in sensors for 3-axis compass, gyroscope and barometric altimeter