Compatible with all models of *Apple iPods, including the iPod mini, Mobile phones, Satellite Radios, PDA's, Portable Mp3 Players and Handheld GPS units.*Not compatible with iPod Nano. Provides a secure mounting option with easy installation. Adjustable Arms open to 4.5" wide to accommodate wide range of mobile devices. Arms also adjust to allow easy reach of device button controls. Mounts to air conditioning/heating vent in your vehicle and keeps your device secure. Made of durable ABS plastic that holds up to wear and tear. The Grip-iT universal holder is designed for portable mobile electronics. The included Rotating Air Vent Mount makes for easy mounting to the louvers of your vehicles air vent to provide a stable, secure, and easily accessible mounting solution for your portable device.