The Pebble Cosmos Ultra is the perfect companion for your fitness transformation with a 4.8 (1.91")-inch Full Touch High Resolution IPS Display. Your message notifications will be displayed straight to your device screen. There are multiple watch faces to choose from, you can also customize the dial to show your personality. The smartwatch monitors your heart rate and blood oxygen levels to keep you on top of your health. The IP67 dust, splash and sweat resistance will keep the watch safe to use in the most intense workouts too! High-performance motion sensors monitor sleep status (deep sleep, light sleep and wake up time), and provide comprehensive sleep quality analysis.