Are they any good?

Been offered one which is 6 month old for £180, is that a fair price?
Just I can't find much info on these, or prices ect.

Spec is as follows....

Touchscreen cd/dvd player in mint condition
cd / mp3 player
dvd player /
7" screen
radio
tv ( with aerial )
bluetooth ( so you can use you mobile )
sat nav
sd card slot so you can play all your mp3's etc
usb port ( with connector you can use your laptop through it )