Take a look at the Noise Colorfit Pro 2 user manual.

The Noise Colorfit pro 2 also has a remarkable feel that makes the wrist fit it like it were a natural extension of the body. The process of getting dressed is essentially uninteresting. It is quite cosy, and wearing it is a wonderful feeling. Her appearance, which is created to look amazing and be full of individuality through her design sense, is elegant clothing and a slim frame.

About frequently asked questions about the application:

how to connect noise colorfit pro 2 with phone
boat smartwatch vs noise colorfit pro 2
how to reset noise colorfit pro 2
all this info in : Noise Colorfit pro 2 guide