. Mount a holder set the holder on the surface please tighten the service of your center comes with a per port. (Setting Available). 2. Holder is available in 90 degree, 180 degree, 270 degree, and 360 degree angle While the belt to the handle bar of your mount set it, and adjust the angle of the holder, please unscrew the screws of your belt mounting bar handles secured to. 3. Holder behind the upper button of your red button at the bottom to push on the top to bottom side, such as to expand your smartphone set it in the holder.
Salesland Bike Mount Bicycle Holder Universal Cradle Rack for iOS Android Smartphone GPS Other Devices with One-button Released 360 Degrees Rotatable - B078JVQ5N2