Model Number: H89+C90 Brand Name: CL Key Specifications/Special Features: Product features:1. Designed for the different thickness air outlet vane, with a wide applicability2. 360° swivel ball joint adapter3. Compatible with most mobile phones, GPS and other mobile devices4. Nice and elegant design, easy to install, no tools neededInstallinstructions:Car air vent holder1. Undo the screw on bracket, put the air vent holder into the bracket, tighten the screw.2. Clip the air vent mount in car's air outlet vane. Pull the switch towards Direction I. If it were too loose, pull it towards Direction II. Adjust it to a desired tension, then, you are set. Item no. H89+C90 Bracket clamp arm size 55-85mm Bracket feature 1 One touch release Bracket feature 2 Stretchable clamp arms Air Vent Mount feature 1 Stable claws design Air Vent Mount feature 2 High quality silicone coating claws Suitable device Universal smartphones Product type Car holder for smartphone Ball joint connector 360-degree rotatable Advantage Portable, convenient Appearance Stylish salable car mount Material ABS + PC, metal, silicone Color Black Package Neutral color box