Coros Pace Pro GPS Sport Watch Belts & Suspenders delivering easy step in and anatomical AN50040100 delivering easy step in and anatomical wrapping of the instep wearing on your waders from the inside out PACE Pro delivers our most precise GPS performance yet QZSS) 31 Hours 24 Hours (With Always On Display) 12 Hours 10 Hours (With Always On Display) With offline music playing Daily Use & Sleep Tracking 20 Days 6 Days (With Always On Display) With all day stress monitoring Charging Time Less Than 2 Hours Memory Internal Memory 32GB Activity Memory 1200 Hours Estimates based on outdoor activities Geo Location Satellite Systems GPS