You're built to push limits - so is Enduro(TM) 3. This ultraperformance GPS smartwatch features a lightweight design and incredible battery life with solar charging that lasts up to 320 hours in GPS mode (assumes continuous use for entire period in 50,000 lux conditions). Light up the dark with the built-in LED flashlight, and enjoy long-distance comfort, thanks to a lightweight UltraFit nylon band. Features: Lightweight design (63 g) optimized for ultra-endurance athletes Titanium bezel, scratch-resistant sapphire lens, and built-in LED flashlight UltraFit nylon band for long-distance comfort in harsh conditions Up to 90 days of battery life in smartwatch mode with solar charging Up to 320 hours in GPS mode with solar charging Always-on display for quick visibility during intense activity Preloaded TopoActive maps optimized for outdoor adventures Dynamic round-trip routing for runs, hikes, and rides Targeted strength training plans and sport-specific workouts Real-time stamina tracking to enhance performance and reduce injury risk