this is a car air vent magnetic phone holder with an extra stronger magnetic power. 

Package Includes:

-1 x Magnetic car air vent phone holder 

-1 x Metal Plate

Instruction of Usage:

1. We are using genuine 3M sticker for the metal disc. Please deep clean the back of your phone before applying the metal plate, leave it for a couple of hours (Requesting 12Hrs, may vary based on different situation) after putting it on to enhance the stickiness. While remove your phone from the holder, please gently slide it down. Fail to do so will cause the metal plate drop off and might let the item no longer usable