Metal Case for Dell Axim X50/X50v/X51/ X51v (Extended= Battery) (Black) Neoprene inner lining for extra protection and shock absorber Anodized aluminum prevents from scratches Removable 360 belt clip included (easy to install and remove) 1 memory card storage space Compatible with X50 / X50V / X51 / X51v. Not compatible without the extended battery