Featuresr durable sturdy and long term user soft and anti skid silicone mats inside not scratch devices and hold devices securelyr with a lockunlock button you can adjust the width you need then fixed itr ball point joint make it 360 degree rotational suitable for users with different angle of demandr easy to install onto most bikes without need of any toolsr rotate screw to change diameter to fit for handlebar of different diameterr suitable for mobile phone pds gps mp4 mp5