Vehicle Compatability: Universal (All Bikes) *Easy to install. you can install it on rear-view mirror, bracket can adjust the orientation 360 degree.The product input voltage is 9-30V,it is more than 30V automatic protection. *The output voltage is 5V2.1A, it can charge for mobile phones, tablet, navigation, GPS,with mobile phone fixed soft rubber net. *Usb charge switch design, it can provide or off power at any time, saving battery power, easy to use.Bracket fixed size is 3.5-6 inch, suitable for more than 90% of mobile phone. *Colour: Black.