Features • Built-in GPS & heart rate monitor • Tracks distance / calories / sleep / Sp O&8322; / health • View smartphone messages & notifications • Up to 10 days battery life • Water resistant It monitors your heart rate 24 hours a day, so you will be alerted if anything is out of the ordinary The Sp O2 level indicates the amount of oxygen in your blood
- giving you extra peace of mind Choose from 100 workout & 17 professional modes, including HIIT & Yoga, & set a goal to aim for It uses 4 major positioning systems including GPS
- providing you with better position tracking & more precise fitness data See just how well you slept with sleep monitoring, including details on deep, light, & REM sleep stages