Advantages: low price, supporting data platform (data upload and analysis)

Disadvantages: few functions and poor domestic experience of data platform.

2. Jiaming Pioneer 10

Advantages: good cost performance, fashionable appearance, mature data platform and more functions than before.

Disadvantages: the battery life is average.

3, Nike SportWatch GPS sports watch

Advantages: excellent design and workmanship, support for heart rate band expansion, and mature data platform.

Disadvantages: the waterproof performance is average.

4.Polar RC3 GPS sports watch

Advantages: comprehensive function, strong expansibility and intelligent coaching function.

Disadvantages: the waterproof level is average, and the sensor accessories need to be purchased separately to play all the functions.

5.SUUNTO Ambit 2 GPS outdoor watch

Advantages: first-class workmanship, most complete functions, App support and strong expansibility.

Disadvantages: Fitness and training guidance functions are not as good as Polar RC3 GPS.