Garmin Fenix 7X Pro Sapphire Solar Edition GPS/Smart Features 32GB Memory, Gray, Band Size 51mm, Compatible w/ iPhone/Android The Fenix 7X Pro Solar is the ultimate multisport GPS smartwatch with a large 1.4 display, designed to perform all day, every day. Get weeks of battery life with the Power Glass solar charging lens. Meet any challenge with advanced training features such as hill score, which measures your climbing performance over time, and real-time stamina updates to gauge your stamina potential. For a more complete picture of your health, training and recovery, tap into 24/7 health and wellness monitoring with advanced sleep tracking, HRV status, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). When the sun sets, use the LED flashlight to stay visible or find your way. Download TopoActive maps from around the world to keep your explorations on track. Navigate on the slopes with 2,000 preloaded ski resort maps worldwide. Adventure far off the grid with up to 37 days of battery life in smartwatch mode with solar charging in 3 hours of direct sunlight (50,000 lux) per day. Gain superior positioning accuracy while optimizing battery life, thanks to multi-band GPS with SatIQ technology. Brand Garmin Category Other Electronics Series Sapphire Solar Edition Model Fenix 7X Pro Color Gray Function GPS / Smart Features Material Polymer w / Titanium Size 51mm Screen Type Touchscreen Wireless Capable Wi-Fi / Bluetooth / ANT+ Proofs Scratch Resistant Power Source Solar Battery Life Up to 37 days Compatible With iPhone / Android Lens Type Power Sapphire Memory 32GB GPS Enabled Yes