There are plenty of GPS navigation units on the market today ... We suspect that with some more work and tuning this system could be improved and made easier to use, of course for under $25 ...

A former section chief of Minami-Sanriku town who lost his colleagues in the twin tragedies thought that a life jacket equipped with a GPS function ... expected that the system will reduce the ...

The smartwatch system includes a waterproof smartwatch, adjustable wristband, and charging accessories ... but you can add a mobile GPS help button for on-the-go coverage. SEE FULL REVIEW ...