For Navman Torrent How Long Does It Take For The Navman F10 To Charge Using The Usb Cable?

How long does it take for the navman f10 to charge using the usb cable? - for navman torrent

They have only one, and the screen shows that (USB and Navman), and the battery indicator orange, which means that it is charged? It is not working well on the car when it was my only option a month, and it does not come with a charger!