Groove Trio Pack for 2G Nano Blk/clr/wht Slicon &clr Visor Premium silicone layer with anti-dust coating provides shock resistant surface protection and integrated click wheel protection VISOR protects the face and screen of the iPod Nano from the other denizens of your pocket or bag Combined, the two layers deliver iPod Nano inspired protection in a slim 1.65mm protective package that looks and works great Compatible with Apple's Universal Dock and other similar docking devices Included dock adapter for a perfectly secured fit for the iPod + iSkin