Annic Universal Cd Slot Car Mount Holder for Most Phones (Black) Annic Universal CD Slot Car Mount Holder has 360 degree swivel head that allows you to adjust the most perfect viewing angle Comes with 3 free different inserts for adjustment to different CD Slot thicknesses. Perfect for mounting cell phones or GPS devices. Firmly fix to CD slot to keep your devices safe and for easy navigation and hands free use The extension arm is adjustable that can up to 6 inch in diameter. So it fits most phones and GPS Installation is simple, just insert it into the cd slot and flip the latch to tighten it in.