Mount your smartphone without the hassle of sticking your holder onto your windshield or dashboard with the Cellet Cart Vent Smartphone Holder. Featuring a spring arm and lower legs for added support, this phone holder will securely fasten into your car vent. The holder itself offers an adjustable easy push mechanism that secures your phone in place and a foldable leg for extra support. The holder base has a turn-lock knob and provides 360 degree rotational capability. The Cellet Car Vent Smartphone Holder can hold phones up to 4 inches wide.