How to Customize the “Respond with Text” Messages to Calls 。?[Clear and Stable Bluetooth Call]: Adopting Bluetooth v5.3 call chip, makes your communication during the call smoother. It has stronger anti-interference ability, longer battery life, and covers a larger Bluetooth call range. Intelligent noise reduction algorithm can eliminate background noise. It allows you to hear the other party clearly during the call. ?[Smart Notification and Quick Reply]: When you receive a message, call, or notification, this digital smart watch will remind you by vibration or ringing, so you will not miss important calls and messages from your lover/friend. Make your life simpler and smarter. The quick reply function for Android phones allows you to send preset short replies to received messages. ?[24-hour Health Monitoring]: Real-time monitoring of your heart rate, blood oxygen, stress, sleep, etc. The activity tracker records your steps, calorie consumption, and other activity data. This gives you an in-depth understanding of your physical and mental health, ?[102+ Sports Modes]: The sports watch is equipped with more than a hundred sports modes, including walking, running, cycling, hiking, yoga, football, strength training, etc, helping you achieve a healthier lifestyle. DS-1512