Smartphone/Tablet CD Slot Highpower Magnet Snap Mount + FREE Foldable Card Size Portable Smartphone Stand Innovative design for mounting tablet or smartphone devices. Seamless and very simple, once your device is set with the thin and light weight magnetic metal blade, just hang around your device next to the magnetic surface then instantly place it securely in place. We know you are asking..."won't a magnet damage my tablet or phone?" The simple answer is NO. "There's nothing magnetic in flash memory, so [a magnet] won't do anything,"-pc world CD is playable as usual with CD slot inserted with CD slot mount blade for smartphone GPS mount. * Smart design enable light weight CD Slot Mount (3.9-oz / 111g) to attach firmly and securely within car's CD slot, and ensures no impact to CD player, CD is playable as usual. Avoid smartphone GPS car mount to obstruct driver's road vision (windshield view) that could be illegal in many states! Ensure safety and absolute peace of mind when driving across states for vacation with smartphone GPS mounted on CD slot mount holder for clear windshield view. INSTRUCTIONS: 1) Attach holder arm with 360 Degree Ball Swivel/Turn Base. 2) Hook mount blade into CD player slot. 3) Turn the tightening knob to gently extend by widening blade hook until the mount is firmly and securely attached to the CD slot. 4a) For smartphone with case, uninstall smartphone case , reinstall smartphone case with the metal plate being placed in the case (on the device's back surface) , skip next step. 4b) For smartphone with battery case, put metal case in the battery case (at the back surface of battery case) , skip next step. 4c) You may stick the 3M metal plate sticker to the back surface of your device for mounting to the magnetic surface. 5) Mount your device to the magnet mount, adjust to the best view angle , and tighten the neck ring screw to prevent movement. Ships in Ledhill's retail package: 1 X Smartphone/Tablet CD Slot Highpower Magnet Snap Mount (Weight: 3.9-oz / 111g, Mount Disc Diameter: 6-cm / 2.36-inch), 1 X 3M Adhesive Magnetic Metal Plate (0.2-oz / 5.67-g) , 1 X None Adhesive Magnetic Metal Plate (0.1-oz / 2.83-g), 1 X FREE Foldable Card Size Portable Smartphone Stand