2 in 1 Phone Holder, it's not only a desktop phone ring stand, but also an air vent car phone mount. The ring is adjustable with 180 degrees fold and the car air vent holder is adjustable with 360 degrees rotation. You could adjust your viewing angle freely. Made by high quality zinc alloy, which has a good ductility and abrasion resistance, avoid breaking when falling down. Remove the adhesive tape and stick the phone holder on your phone or phone case. Insert the car mount in the air vent and you could start your GPS right away. No tools needed for operation.