Features:1.Great for cycling trip，fit all types of bikes and good for not only riding beginners but also professionals2.Suitable for mobile phone/PDS/GPS/MP4 to fix on the bicycle，helps you to see the map，listen to music and so on during your trip3.Quakeproof designed，the two arms in main unit can extend to a length you need4.360° rotating support holder，you can change it to an angle you want5.Convenient and reliable to use6.Size:Diameter of handlebar:2.5~3cm(around 1 inch)Extendable Arms:5~9cm(1.97-3.54’’)7.?Compatible with different phones，for iPhone 6/6 Plus， iPhone 5S 5C 5，Samsung Galaxy Note 4 Note 3 S6 S5 S4 S3， HTC One M8，M9，Nexus 5 ect.Package included:1 x Bike Mount