Used once on a glass surface. Brand: JoltMemori Color: Black Material: Acrylonitrile Butadiene Styrene Product Dimensions (L x W x H): 7.6 x 7.7 x 4.2 cm For Car Use - Securely Fixed with Strong Magnets: Uses N54 grade magnet rings. Instantly attracts smartphones, allowing for stable use of navigation and calls while driving. Securely Installed on the Dashboard with a Vacuum Suction Cup: The strong suction cup firmly adheres to the dashboard and front panel of the car. It stays in place without shifting even on bumpy roads. Adjustable to Your Preferred Angle with a Three-Axis Structure: The angle can be freely adjusted up, down, left, and right, and rotated. You can secure the optimal viewing angle whether you're in the driver's seat or the passenger seat. Foldable and Easy to Carry: Ultra-lightweight design, approximately 80g and 60mm in diameter. When not in use, it can be folded flat and easily stored in the glove box or a bag. Compatible with Various Models - Includes a Magnetic Sheet for Smartphones: Compatible with a wide range of devices, including iPhones, Android smartphones, and small tablets (7-11 inches) with the included metal magnetic ring. *Please be careful not to directly attach the magnetic ring to the smartphone itself. If you have a MagSafe compatible case, it will attach directly. For non-MagSafe devices or cases, attach the included magnetic ring. Apply the ring to the outside of the case and let it sit for about 6 hours before use.