LARGE 49MM FULL-COLOR DISPLAY:Enjoy a bright, sharp, and vibrant screen that delivers clear visuals and smooth touch navigation for an enhanced user experience. BLUETOOTH CALLING FUNCTION:Make and receive calls directly from your wrist with built-in Bluetooth, allowing hands-free communication wherever you go. MULTIPLE SPORTS & FITNESS MODES:Track a wide range of activities including running, cycling, yoga, and more, with precise real-time data on heart rate, steps, calories, and distance. CONTINUOUS HEART RATE & SLEEP MONITORING:Monitor your heart rate 24/7 and analyze sleep patterns to optimize your health and recovery. 7 MULTICOLOR INTERCHANGEABLE STRAPS:Customize your look easily with seven stylish, durable straps in different colors, perfect for any outfit or occasion.