Joranlin ID107 Bluetooth 4.0 Smart Bracelet Smart Band Heart Rate Monitor Wristband Fitness Fracker For Android iOS Smartphone (Blue) Bluetooth calling: Phone call reminder,Support caller ID Special Feature: Light on Wrist Up Single Key: Short Click and Long Press Control Other Functions: Alarm Alert, Time Clock, Anti-Lost, Phone Finder Health Tracker: Heart Rate Monitor, Pedometer, Calories Counter, Distance, Sleep Monitor