Featuring a Power Glass solar charging lens and customisable power manager modes, the Garmin Fenix 6 Pro Solar can stay on and performance-ready for weeks. PACEPRO Technology Activity tracking features Safety and tracking features Golf courses Power manager Multi-GNSS support and ABC sensors Respiration tracking Smart notifications Water resistance Sports apps Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing, surfing, indoor climbing and more. Wrist-based heart rate Get heart rate data along with alerts if your heart rate stays too high or too low while you’re at rest. Gauge how hard your heart works during activities, even underwater. Advanced sleep monitoring Get a full breakdown of your light, deep and REM sleep stages as well as Pulse Ox and respiration data. View it all on a dedicated widget that includes your stress score and other insights. Pulse OX sensor For altitude acclimation or sleep monitoring, a Pulse Ox sensor uses light beams at your wrist to gauge how well your body absorbs oxygen. Body battery energy monitor Monitor your body’s energy reserves using heart rate variability, stress, sleep and other data to gauge when you’re ready to be active or when you may need to rest. Solar-charged battery Get up to 9 days of battery life while indoors or up to 10.5 days when solar charging in smartwatch mode. In GPS mode, get 25 hours indoors or 28 hours when solar charging.