Features: 1. Universal fit with Phone from 3 to 6 inches, the adjustable size of the plywood is from 5.5 cm (2.16-inch) to 8.5 cm (3.34-inch). 2. 180 degree adjustable height and 360 degree rotation, you could adjust the view angle you want, would not block your sight. 3. Adjustable stretching length, from 10cm(3.93-inch) to 16cm(6.29-inch), more convenient for driving. 4. Strong sucker, it could be uesd on the front glass, instrument desk, and table. Washable for durable using. 5. This Holder could be used as a car air vent mount, would not block your view sight, more secure for driving. ? Specifications: Product Name: Multifunctional Car Air Vent Front Glass Instrument Desk Phone Holder Model: 552245 Color: Black, White Material: ABS(Acrylonitrile Butadiene Styrene) Plastic Dimensions: 10.75x13.75x6.75cm Compatible With: Width From 5.5cm-8.5cm Universal Phone ? Installation: Car Air Vent: 1.?Connect the clamp with air vent bracket. 2.?Tighten them. 3.?Put the spherical shaft through the nut. 4.?Tighten the nut. Bracket: 1.Undo the nut, put it away. 2.Put the bracker through the nut. 3.Tighten the nut. ? Package Included: 1x Phone Holder 1x Air Vent Clip