Information can be found at https://buy.garmin.com/en-U...

10 day battery life with sleep/rest O2 saturation measurements
30 day battery life with on demand only
Solar charging can add a few days to battery life
Device shows UV exposure throughout day
Can store maps of golf courses and trails
Some “scuffing” as shown on outer edge of bezel from daily wear (dlc coating wear)- bezel covers can be purchased online.
No functionality issues. Charges quickly. Can pair via Bluetooth to phone and headphones.