Specification: About this item Compatible with motorcycle with round hole. Compatible smartphone: this navigation mount can be adapted to a variety of mobile phone brands with a screen from 3.5 to 6.5 inches. Easy installation: simply tighten the screws on the phone holder. Installation is very simple and takes just a few minutes. Be sure to use the rubber band that you hold your phone while driving. FIT MOST MOTORBIKE WITH HOLES: This mount attaches the holes for motorcycles with a diameter of more than 13 mm. The expansion method is used to attach the bracket. If a problem occurs during your installation, please contact us. We provide professional customer service. Perfect for a gift: this motorcycle mobile phone holder can be used as a gift for lovers, children and friends. Compatible with motorcycle with round hole. Compatible smartphone: this navigation mount can be adapted to a variety of mobile phone brands with a screen from 3.5 to 6.5 inches. Easy installation: simply tighten the screws on the phone holder. Installation is very simple and takes just a few minutes. Be sure to use the rubber band that you hold your phone while driving. FIT MOST MOTORBIKE WITH HOLES: This mount attaches the holes for motorcycles with a diameter of more than 13 mm. The expansion method is used to attach the bracket. If a problem occurs during your installation, please contact us. We provide professional customer service. Perfect for a gift: this motorcycle mobile phone holder can be used as a gift for lovers, children and friends.