Easy to Use: The phone clamp has a retractable dock and a one-touch clamping function that allows one-handed operation without worrying about dropping the phone. Instructions are included in the package and can be installed in 3 minutes. More Stable: 4 slider clamps are more stable than 3 slider clamps because the 4 slider is more evenly stressed, and the fixed slider of the JDHDL 7th generation rear view mirror cell phone holder for car has been upgraded, it can firmly fix the mirror frame and keep the car mount stable even on bumpy roads. Adjustable: This rear view mirror cell phone holder car can rotate 180 degrees, the connecting rod can telescope 2.2 inches, the height and width of the frame clamp and the slider are adjustable, the phone clamp's width and bottom holder can be adjusted, so it can fit in 98% of cars and work well. Wide Compatibility: The width of the frame clamp is adjustable, and the shape of the frame clamp is optimized, so that this rearview mirror phone mount for car can fit 98% of cars, as long as the distance from the mirror to the front windshield is greater than 1.2 inches, and there is no obstacle between them can ensure the compatibility, the case-friendly phone clamp compatible with 4-7 inch cell phones, including all iPhone 14 13 12 11 Pro Max XR X series Samsung Galaxy Note Flip series. Great Upgrade: JDHDL 7th generation rear view mirror phone holder combines the advantages of rearview mirror arm phone holder and rearview mirror frame phone holder, this rear view mirror phone mount for car not only can rotate and retract, but also stable. It fixes the shortcomings of the old rear view mirror phone holder and is a nearly perfect one.