About Product: Umbrella Mobile Phone Holder OverviewThe SuperBigUmbrella is a universal handlebar‑mount phone holder designed for motorcycles and bicycles. Made of rugged ABS plastic, it features a quake‑proof design to keep your device secure even on bumpy rides. Its 360° rotating support allows you to position your phone at the perfect viewing angle, while the quick‑release clamp makes installation and removal fast and tool‑free. Key Features Material: Durable ABS plastic Compatibility: Fits most smartphones, GPS units, and digital devices Mounting: Clamp fits standard bicycle or motorcycle handlebars Security: Quake‑proof, anti‑falling design keeps device firmly in place Rotation: Full 360° swivel for portrait or landscape viewing Adjustability: Press‑to‑expand spring arms accommodate devices of various widths Quick‑release knob allows free disassembly (umbrella‑support style) Installation: Loosen back screw to remove umbrella support Press both sides to open the bracket and clamp around device Portability: Compact and lightweight for easy storage when not in use