Four design highlights: 1. Mobile phone anti-off design, fast one-key lock. 2. Anti-theft screw design to prevent the bracket from being stolen. 3. Compass design, interesting and practical. 4. 360° ball head rotation, more convenient for taking pictures while riding! Adjust the width 5-8.5cm, suitable for 4-6 inch mobile phones! Distribute tools and instructions at the same time! Packing: Color box size: 6.5*6.3*16.3cm