Phone Holder for cars, magnetic, mounting for ventilation, adjustable position, minimum device width: 3cm, maximum device width: 10cm Do you prefer using your GPS while driving? In such case, you should try the Swissten mobile phone holder. You can fasten it and use for ventilation. As the holder can be fastened to the AC grills, your mobile will be nearby at all times. The holder holds a mobile phone with a screen size from 3 up to 10 cm. You can change the phone position to have the maximum comfort when watching. Main Features of the Swissten AV-M9 Ventilation Grille Holder, Black Phone Mount With the Swissten Mount you can watch movies and have free hands Perfect mount for ventilation For devices from 3 cm to 10 cm Attachment form: magnetic Usage: for cars Bonus features: adjustable