This adapter provides a much more convenient way to mount your phone. It will no longer block your vision the way windshield mounts will. The PVMount2 places your device in an easy to access place and the installation process couldn't be easier. This adapter is universal and will work with most phone mounts including the NVX VentVolt and XMountPro. Universal Car Air Vent Mount Adapter. Perfect Accessory to the NVX VentVolt or XMountPro. Firmly inserts onto your vent so that your phone mount will stay put. Compatible with most vehicle air vents. Not compatible with circular, round style air vents. Locates your phone in a much more convenient place to see and touch. No more fidgeting with annoying suction cups or dash mounts, just insert and go. Quick and Easy Installation