Craig Electronics Activity Tracker Watch with Bluetooth Wireless Technology, Black Displays Time (Hour, Minute) 	12/24 Hour Format 	OLED display Daily Alarm Function 	Tracks Step, Distance during Exercise 	Measures Calories Burned While Exercising Stores Exercise Data up to 15 days 	Synchronizes Exercise Data to your smartphones through Bluetooth Free app Available in Google Play store & Apple App store ACCESSORIES INCLUDED 	USB Charging Cable