With Telescopic Designed Clamp ArmCan extend max 21cm length, and with several adjusted design for setting different sight view angle. With Adjustable StandSupport On HolderMax 2cm adjustable range for suitable for all kinds of mobile phone using. Auto Extending Clip DesignWith a switch on back for controling the clip extending, just need to close the clip by hand. Strong spring clip and hollow silicone anti-slip layer ensure the mobile phone to be holded ultra stably. Free rotation telescopic design 360° rotation.