H400G Car 3.5 inch GPS Mode HUD Head-up Display Support Speed / Time / Distance Display Smart Wear and it can be used

and it can be used for about 60 hours

Anti-theft 95128/95256 Meter 35080/35160

Soft eye protection

Air pressure music massager makes you feel more comfortable

H400G Car 3.5 inch GPS Mode HUD Head-up Display Support Speed / Time / Distance Display Smart Wear and it can be used1. Using 10 Hz high refresh rate GPS + Beidou dual mode chip, the refresh rate is 10 frames per second. The vehicle speed refreshes quickly without delay. 2. Using car USB (5V) or cigarette lighter to USB power supply, truly zero power consumption. USB or cigarette lighter is a short power, the car is turned off and the power is cut off, there is no the phenomenon of power stealing, and OBD is a long power. 3. Add the speed calibration function, which