‣ This holder features a robust vacuum suction cup that securely holds your phone on the dashboard or windshield, even on rough roads. ‣ With a 360° swivel head and extendable long arm, your phone remains visible for hands-free calls, GPS navigation, and music streaming. ‣ Simply insert the included metal plate between your phone and case, or adhere it to your case, and you're ready to use it. Compatible with most smartphones and cases.