Mksutary works with the most professional navigation manufacturer. We use the industry's high level of GPS chips, reliable and professional. And we have the most professional after-sales team to provide you with the best solution 7 Day x 24 Hours.
-Usage for the 1st time-
Charge the device and turn it on. Receive the satellite signal on an open and wide area, until 3 Green bars are shown(normally it takes 5-10 minutes, depending on the area). After that, you can use gps normally. And please press the reset button if the signal reception failed