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