Jiaming chooses to use only watches or mixed positioning.

Satellite type: the basic function of obtaining location information. If the main purpose of wearing is navigation, you need to pay attention to the types of satellites supported by the navigation system; Especially when you are engaged in mountaineering or golf, you need to know the location, and this function will become very important. In addition to GPS navigation, Jiaming's watch also supports satellites such as QZSS, GLONASS and Galileo. Although the GPS receiver may have errors due to weather, building occlusion and other reasons, if it is combined with other satellite positioning systems mentioned above, the navigation accuracy can be effectively improved.