Bluetooth calling - Make and answer calls directly from the smartwatch via Bluetooth, without taking out your phone. Hands-free communication when you are on the go or multitasking. Real-time message reminders - Read mobile messages, notifications, and reminders in real time on your wrist. Stay informed without pulling out your phone. Heart rate monitoring - Continuously monitor your heart rate to help you understand your physical condition and training intensity with reliable measurement. IP68 waterproof design - IP68 water resistance protects against splashes, sweat, and daily exposure, so you can wear it during workouts and in light rain without worry. Use scenarios - During workouts: track heart rate while exercising and stay connected with calls and messages without interrupting your routine. - In daily activities: receive messages and reminders quickly at work, commuting, or running errands, keeping you informed without reaching for your phone. - Outdoor and travel: reliable performance in active environments with water exposure, thanks to the IP68 design. Key attributes - Function: Bluetooth calling, message reminders, heart rate monitoring, IP68 waterproof - Compatibility: Bluetooth enabled pairing with smartphones - Performance: real-time notifications and continuous heart rate data for informed decisions - Comfort and practicality: hands-free calling and on-wrist access to essential information during daily life and activity Note: This description stays aligned with the product features and does not introduce additional specifications beyond the stated functions.