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,…

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NO.1 products user manual

This is where you can download the user manual for your D7 user MTK 2502z series user (G5, G6, G8 user D5+ User F1 user F2 user F3 user F4…