Just Mobile Xtand Go secures your iPhone 4 & 3G/3GS on your cars windshield or dashboard while you drive You can rotate Xtand Go vertically or horizontally and access to iPhones side controls as well as the dock connector Xtand Go not only grips your iPhone 4 & 3G/3GS securely, but also supports all PDA Phones, Smartphones, PND, etc. With a single hand you can easily attach and detach your mobile devices.