1. No abnormal noise, pick and place with one hand, safe driving, double stability, free rotation, lock the air outlet 2. Double triangular support principle + slide rail bite structure, multi-directional fixed-point surround, lock the center of gravity without shaking, not afraid of speed bumps 3. Watch-level precision mechanical structure, precise control of the gap between the slide rail and the cogging, smooth linkage, no jamming and no noise 4. Easy installation, plug-and-play, one-plug and stable, universal for all models 5. Intelligent gravity sensing design, automatic clamping when put down, quick pick and place in seconds, simple and fast 6. Built-in double 360-degree universal ball, multi-angle arbitrary adjustment 7. Do not block the driver's sight, reserve the volume, the power button operation area, and the thoughtful design does not hinder the operation 8. The olecranon-type chuck is stable and non-slip, effectively grasping the air outlet and preventing it from falling 9. Bionic memory soft glue, enhance damping strength, stable and non-slip without hurting the car 10. Compatible with 4.7-7.2 inch mobile phones, automatic clamping adjustment, does not block the mobile phone screen 11. Non-magnetic structure, the signal is full, the charging port is reserved at the bottom, and the navigation is uninterrupted 12. Material: ABS+PC 13. Dimensions: 108x100x92mm 14. Net weight: 54g 15. Gross weight: 81g