?LAST BUT NOT LEAST: please just make sure you order the right size (L/S) for your phone. This is L size waterproof phone mount which is for phone size max. 6.6"(L) * 3.2"(W) * 0.39"(T). It's compatible with most 5.5"-7.0" smartphones. ?Wide Fits to Handlebar/ Rear-view Mirror Pole: the waterproof bike ball phone holder comes with 3 rubber rings so will fit to a range of sized handlebars --7/8" (22mm) , 1" (25mm) , 1,1/4" (32mm) dia. on motorcycle, motorbike, ATV, Mopeds, bicycle, scooters etc, and to rear-view mirror pole with the thickness gasket. ?Solid Aluminium Clamping Base: with aluminium 1 inch handlebar ball base , the bicycle phone mount is super sturdy on handlebars! Matte ball surface offers non-slipping and safety for this item. This iMESTOU waterproof motorbike phone holder is with excellent clamping system and super solid construction!. ?Sensitive Touchscreen: built with IP67 waterproof case, the touchscreen still works perfectly through the motorcycle phone case! The high sensitive touch screen of this waterproof bicycle phone holder is compatible with face ID/ touch ID. ?Unique Anti-thief Lock: built with secure knob lock and key, this motorbike phone holder protects it from being lost when leaving it outside!. ?Double Socket Arm for Free Adjustment: this motorcycle ball phone mount with double 1 inch ball socket arm for easy adjusting and 360°+360° rotation to suit any heights/angles' requirements!. ?IP67 Waterproof Case: with IP67 waterproof and dust-proof design on touchscreen and charging jack, this iMESTOU bike phone mount allows people to take calls/listen music/charge mobiles even in rainy days!.