car dvd player

these are in the headrests of a duster that I bought. I pop a DVD in but says media not recognised. I’d like to try using USB etc but I need a manual to understand how to format them etc. No markings on the players etc so wondering if anybody recognises the model?

6.2inch Double DIN Car DVD Player,Built-in GPS and Bluetooth Hands free call

6.2inch Double DIN Car DVD Player,Built-in GPS and Bluetooth Hands free call

6.2inch Double DIN Car DVD Player,Built-in GPS and Bluetooth Hands free call

6.2inch Double DIN Car DVD Player,Built-in GPS and Bluetooth Hands free call

6.2inch Double DIN Car DVD Player,Built-in GPS and Bluetooth Hands free call

OEM Car DVD / GPS Player Special for Ford Ford Explorer /Fusion / Expedition

OEM Car DVD Player Special for Ford Ford Mondeo 2012,with GPS+ Bluetooth

OEM Car DVD Player Special for Ford Ford Focus 2012,with GPS + Bluetooth function

OEM Car DVD Player Special for Ford Focus /Mondeo, with GPS + Bluetooh function

I am happy with the installation of my new sun roof by the team at Columbus Car Audio & Accessories; Morse Road store. Despite a few challenges the work was outstanding. I was very apprehensive to have a whole cut in the roof of my new car, but Columbus Car Audio put my fears to rest. WOW! I...

This is the refurbished Eonon E0858 package I got this Monday, it was like new and well packaged, a good job!