How about Luchang car DVD navigation? Who used it?

Not bad! Costa, Jebsen, Gefei, etc. , occupies a relatively large share in the market, each with its own style. Quality and service are in place, and brand guarantee can be assured. If you choose, it depends on what you pursue. Costar, Jebsen and Gefei are all good, pursuing basic performance, choosing Costar, pursuing sound quality and choosing Gefei. Pursue pictures and applications, choose a guide, change wallpaper, flip through four virtual eight discs, collect business, and draw pictures in pictures, among which Gefei and Casta are the most expensive, and Jiecheng is medium.