COLMI P15 smartwatch is designed in a square shape with a curved screen on the sides and has a button to turn on-off the watch and is equipped with a heart rate monitor, Blood Pressure and Blood Oxygen Monitor, Multisport modes, and supports more than 50 watch faces. The COLMI P15 has a large 1.69 inch IPS screen. And 2.5D curved to display better content and details, and the resolution is 240 * 280 pixels. The screen is large and takes over most of the interface, and with narrow sides that contain a touch screen, which comes in the middle of the screen. COLMI P15 has different pre-installed watch faces. You can switch between them easily by long pressing on the home screen or via the Da Fit app, which has over 50 watch faces with customization capabilities for various colours, retro, analogue, and digitally available. You can even use your photos as a watch face background.