The Macally MCDMAG is a car CD slot mount with a magnetic holder for iPhone/smartphone that doesn?t obstruct your view while you drive. Simply insert the mount in the CD slot of your car and you can do hands-free phone calls and use your iPhone/smartphone as a navigator. The holder has a 100% safe and 50% more powerful Neodymium magnet to securely hold any size iPhone/smartphone, even while in a protective case. Drive safe with the Macally MCDMAG.