Kenwood MDV-313 SD Navigation One-Seg CD DVD This is a high-speed response one-seg/DVD/USB AV memory navigation system that uses flash memory and a high-brightness white LED backlight LCD. It was working normally until it was removed. The map is old, but it can still be used for one-seg and audio, etc. The USB memory slot is conveniently located on the front. Wiring is included, but please prepare a film antenna.