The Fire-Boltt Constellation comes with a 1.39” AMOLED always-on display with 454*454 Pixels Resolution. It features 100 inbuilt watch faces. The Fire-Boltt Constellation supports TWS Pairing and it comes with an internal memory of 8GB that allows you to store all your favorite music right on your smartwatch. 1500+ songs can be loaded for on-the-go listening. It comes with an inbuilt mic & speaker and supports Bluetooth Calling. It enables you to save up to 200 contacts in your smartwatch. You can directly answer and make calls using the dial pad on the smartwatch. The smartwatch comes with 100 sports modes. The Fire-Boltt Constellation offers SpO2 Monitoring and Heart Rate Tracking to help you understand your health at all times. It offers Body Temperature Monitoring and Blood Pressure Monitoring. The smartwatch also has sleep monitoring, Meditative breathing, and Women's Health care support. The Fire-Boltt Constellation has a huge battery life that can sustain for 15 days in standby mode. This smartwatch has IP67 water-resistant certification. The Fire-Boltt Constellation comes with a 1-year warranty.