Garmin Instinct Fitness Tracker Watch Graphite 45mm Solar Compatible With iPhone/Android Bluetooth/ANT+ GPS Yes Garmin's Instinct Solar is a GPS smartwatch takes battery life to a new level by harnessing the power of the sun. Featuring battery life with solar charging: get up to 54 days in smartwatch, military standard toughness, built-in sports apps right on your wrist, notifications straight from your phone to your wrist, GPS, GLONASS and Galileo - your 3 best friends in the wild. Compatible with iPhone and Android with multiple smart features including Find My Phone, Find My Watch, text response/reject phone call with text (Android only) and smart notifications. Activity tracking features including steps and calories burn, gym activity profiles, training and planning and running, cycling and swimming profiles. Brand Garmin Category Other Electronics Model Instinct Color Graphite Function Fitness Tracker Size 45mm Wireless Capable Bluetooth / ANT+ Proofs Shock Proof / Water Resistant Power Source Solar Battery Life 24-54 Days Compatible With iPhone / Android Includes 22mm Watch Band Lens Type Power Glass Display Transflective / Monochrome Memory 16MB GPS Enabled Yes