Live healthier wearing a Beta V3 Fitness Tracker with Heart Rate Monitor Compatability: Android 4.4 above and iOS 8.0 above  Get black with green, blue or red, blue with blue or white with green Monitor your heart rate, blood pressure and sleep to stay healthy Keep track of calories, steps taken and time spent sedentary Get notifications for calls, messages and various apps Wake up or keep time with the alarm setting Use Bluetooth 4.0 to connect to devices 0.87-inch OLED touchscreen gives a clear display Dial size: 3.8cm x 1.8cm x 1.0cm  Band size: 23cm x 1.5cm  Size: (L) 23cm x (W) 1.8cm x (H) 1cm Wear a Beta V3 Fitness Tracker with Heart Rate Monitor for 18.99 pounds - save 89%