Smaller-sized multisport GPS smartwatch that estimates heart rate at the wrist and includes color TOPO maps featuring trend line popularity routing to help you find and follow the best paths Fit for adventure with bold design that features a large 1.2” Sunlight-readable display and stainless Steel bezel, buttons and rear case Easily store and play up to 500 songs on your watch, and connect with Bluetooth headphones (sold separately) for phone-free listening Garmin Pay Built-in navigation sensors include three-axis compass, gyroscope and barometric altimeter as well as multiple satellite system (GPS, GLONASS and Galileo) network capability to track in more challenging environments than GPS alone Battery performance: up to 7 days in Smartwatch mode and 4 hours in GPS mode with music Built-in navigation sensors include three-axis compass, gyroscope and barometric altimeter as well as multiple satellite system (GPS, GLONASS and Galileo) network capability to track in more challenging environments than GPS alone