Quick release button: the right button to open the unit, and then remove the mobile phone. Pressure on both sides of the arm again clip mobile phone, easy to operate, save time and effort. Can rotate 360 degrees: fully adjustable, with 360 degrees rotation speed portrait and landscape view pivot. Universal fit: the most compatible devices, smart phones and GPS devices. Firmly adapted to a wide variety of mobile phones and GPS devices from the 9.5cm. Easy to install and remove: screw tightly grip, hand can be easily removed and installed.YONGFA