moreFit Fitness Tracker, Slim 2 Touch Screen Activity Health Tracker with Sleep Monitor, Wireless Pedometer Smart Wristband for Android iOS Phone Built-in USB plug,simply take the band off fromthe end where the white touch button is when charging Easy to charge in any USB charging port andlaptop without any inconvenience Updated design of the strap with buckle, make your band more secured 5 colors options suit outfit in daily life, make your life more colorful Calories burned Distance walked Steps taken Ative minutes Call Alert SMS Alert SNS Alert Auto Monitor your sleep all night Wake you up with a slient alarm