... screen car gps 2.Built-in bluetooth 3.Support dvr function 4.Support 4gb map Product Description CST-5808 ... inch Car rearview mirror monitor with GPS navigation ,bluetooth,DVR and 2.4G signal receiver 5 inch Car rearview ... :Microsoft Windows® CE NET6.0 8)Support car DVR function and car rear mirror CST-5808 5 inch ... Car rearview mirror monitor with GPS navigation ,bluetooth,DVR and 2.4G signal receiver