Dial Color: Black, Case Shape: Rectangular, Dial Glass Material: Acrylic; Case Thickness:12.5 mm; Case Length(6H-12H):50 mm It is compatible with all iOS versions 8.0 and above and android versions 5.0 and above except the following phone models :Samsung Galaxy A9 Pro, Samsung Galaxy C9 Pro, Moto G5 series - all phones, Samsung Galaxy J2 Pro Band Color: Black, Band Material: TPU; Watch Movement Type: processor, Watch Display Type: Digital Case Material: Plastic, Touch screen; Note: Please charge the device completely before use It tracks the number of steps you have taken, the total distance you have travelled and the number of calories that you have burned It helps you to have an active lifestyle with an inbuilt sedentary reminder which you can customise as per your lifestyle It helps you track your sleep patterns, in the bed and off it