More easy and safe to drive
Easy to put phone on and off
It can be installed on car steering wheel, bicycle handlebar, and other small cylinder.
Never block you to turn your steering wheel and bicycle handlebar.
Very convenient to use phone to make and answer call
Reject Bluetooth or wired earphone
Compatible with: iphone 4,4S,5. Samsung S4 i9500, Google, HTC, Nokia, iPad min