Comes with a 4.6cm(1.83) Large Display with 450nits peak brightness The Bluetooth calling smartwatch comes with the latest Bluetooth v5.3(BLE) for better connectivity and enhanced calling experience. SOS feature: Press thrice the side button to call your emergency contact number(set your emergency contact number from the Mi Fitness app) Loaded with 200+ watch faces to match your attire or customize the watch face with your favourite picture from the gallery Up to 12 days of Large Battery life on a single charge with typical usage and comes with magnetic charging 5ATM Waterproof: Go out in the rain or dive into the pool. This smartwatch also provides an additional water-clearing mode 100+ Sports mode: Track all your sports activity with dedicated Sports mode 24*7 Health monitoring: Monitor your Heart rate & SpO2 level 24*7. Keep a check on your sleep cycle and stress level