?Very Simple to Operate?Press the button on the side of the phone holder to remove the phone easily. Press the clip arm on both sides of the holder to clamp the phone again, the operation is very simple. You can easily install the cup holder base without any tools, first put the cup holder into the car mug round recess, then turn the base adjustment knob counterclockwise to fix the mug phone holder on the car. ?Wide Compatibility?The expandable cup holder base is compatible with a range of 2.5"- 4.1", it fits almost all common car cup holders, you don't have to worry about the cup holder phone mount not fitting your car cup holder, while the phone holder is universally suitable for 4-7 inch smartphones. If you have a car, you will deserve to try to have it or give it as a gift to someone you care about, it is a most reassuring choice. ?Height Adjustable and Rotatable?The phone holder is designed with 7 joints that can be flexibly adjusted, you can rotate the screen to any angle that is comfortable for your sight, such as rotating the screen, height adjustment, angle adjustment, and both the main driver and passenger seats can be used. I believe you will be surprised and satisfied once you have it, whether you are talking, navigating, listening to music or charging, it can bring you convenience. ?Safe and Solid Stand?This product consists of a solid phone holder, sturdy support arm and adjustable reinforced base, in addition, the stand is made of strong and sturdy high-quality materials, so this mount can be very strong to protect the safety of your phone, even if you are driving on bumpy roads, car sharp turns, your phone will not appear shaking phenomenon. ?Excellent Product?This is a great car phone mount. First of all, the product adds a water cup holder design. The diameter of the water cup holder is 4.69 inches (119mm), which does not affect your placement of the water bottle. Secondly,no need to stick anything on the dashboard or windshield, just put the cup holder phone mount on the car cup holder, no need to worry about giving the car sticky stains that cannot be removed or damage to the vent blades.