Usage Tips:The holder holds your phone firmly and avoids shocks even during fast turns and speed fluctuations. Never place the phone horizontally on the gravity holder as it requires the weight of the phone to lock it automatically. Car holder is more stable, durable and easy to install and flexible and meet the requirements of all drivers Applicable models: for Smart 450 451 453 Fortwo Forfour Thanks to the full 360 degree rotation of the ball joint, you can freely adjust the phone holder while driving for the best viewing angle to avoid possible dangers. Release the clamp, put it off, take it out, the entire automatic adjustment, convenient and quickly. Features: Universal rotation of the ball, free rotation angle. Does not block the line of sight, safe driving. To strengthen the protection of peace, no noise. Supports the 4.0 to 6.5 inch mobile phone. -Size:17.4cm * 16cm * 5.4cm Packing List: 1*Mobile phone holder Package Including 1*Mobile phone holder