Redmi Smart Band 2 1.47″ color touch screen 3-axis sensor and PPG heart rate sensor Waterproof up to 50 meters Counts steps, distance, calories burned 30 sport modes and 10 advanced training modes 24/7 heart rate tracking Sleep monitoring Women’s health monitoring Stress monitoring Connectivity: Bluetooth 5.1 Battery life: up to 14 days Charging time: about 2 hours Weight: 14.9 g Android and iOS
