Weltron 2001 space ball radio fm am cassette 8 tracks vintage design 70's

Weltron 2001 space ball radio fm am cassette 8 tracks vintage design 70's the fm am radio works very well with a good sound for cassettes I do not have cassettes to try it but normally it works, a little oxidation at the location of the batteries, but the radio feeds with electricity, the antenna is unbox a part c is the defect of these radio I do not want to change it leave it in its juice, see photos.

Ref. : VE1PSBU5