The holder is well designed 、when you not use it you can fold it、 it's almost as big as a mouse.Very convenient to open it、 only need press the button. it can hold the screen 4-6.5 inch、fit most phone.360 degree rotation、 easy to adjust to any viewing angle.Use the Viscosity silicone 、 this make it stick more fastness、 quick removal and installation of automotive glass and adsorbed on the dashboard.Brand New and High quality mouse phone holder from Vivi2016Product FeaturesSize (LWH): 3.74 inches、 2.2 inches、 4.33 inchesWeight: 7.04 ouncesProduct Description¡ñEasy to use with one key to open、 when you don't use it you can fold it looks like a mouse both the size and appearance.¡ñIt can hold the phone screen from 4 inch to 6.5 inch.It uses the ABS and viscosity silicone make it stick more fastness and you can change the angle freely.¡ñAutomatic deformation with just one click、advanced automatic open for arm phone holder.One-side arm clamp can be mounted any device's width within 56-90 mm.Pad on arm will protect your device from scratch.¡ñCan be adhere to car dashboard and windshield.Also a great stand on desk holder for watching TV at home ect.Specifications: Material: ABS + Hardware 360 degree rotation One Touch System For Convenient Use Firmly Silicone Sucker Base With Lock Catch To Prevent Devices Falling Packing: color box packaging cove MEAS: 45 * 36.5 * 31.3cmPackage Included: 1 x Car Phone Holder 1 x User Manual