Lintelek Fitness Tracker, Color Screen Activity Tracker with Heart Rate Monitor, Sleep Monitor, 14 Sports Modes, IP68 Waterproof Pedometer, Step Counter for Kids, Women, Men (Business Black)

You can change the illumination in the app.No require the USB battery charger: This health and fitness tracker is integrated USB. Just Fit for Smart Phone: This health and fitness tracker only function with the mobile phone. Help You Know More about Exercise: The fitness wristband can tell you tip number, calories, range as well as heart rate data.

Learn More