Henscoqi TW64 Fashion Smart Sports Wrist Band Bracelet with Bluetooth(Black) Support Bluetooth 4.0,Download "DAY DAY BAND " APP from Google Play Store and Apple Store. Distance measurement: Measure your daily walking distance precisely. Calorie consumption management: Calculate the consumption of calorie, record the daily burned calorie. Call reminder: When a call is coming, you can check it without taking out of your mobile phone. Time Clock, Pedometer, Calories Counter, Distance Counter, Sleep Monitor, Alarm Alert, Call Reminder