NO.1 F18, the best waterproof GPS sports watch

F18, sports watch with ip68 waterproof, GPS, BEIDOU, GLONASS, three-method positioning F18 is a major upgrade to the F5, F7 previous GPS From the design, the hardware, the firmware, F18 is much different from F5, First,…

Round Smartwatch, Tutorial

How to use the compass in NO.1 F7?

F7 the GPS sports watch, it has built-in GPS sensor, thermometer, As a promotional outdoors watch, this watch also have a built-in Geomagnetic sensor, it is used for the But I found that many people do not know…