1. It adopts the gravity linkage design, and the mobile phone is clamped automatically when put, which can be put in one hand
2. Reserve the charging port of the mobile phone, and use it will not affect the charging of the mobile phone
3. The built-in universal rotating ball can rotate at any Angle of 360°
4. Mobile phone holder and arm clip form a triangle to fix, safe without worry
5. The design of air outlet does not block the driving view