cup holder mount is equipped with a heavy-duty adjustable base. Simply place the base into the cup holder, turn dial to extend wings to fit into cup holder if needed, then place your tablet onto the mount. ^^ Designed with non-slip holder grips/back to protect your device from any scratches and secures your device in place as you drive. ^^ provides a 360 degree rotation, which allows you to view your device in portrait or landscape mode. ^^ Flexible goose-neck allows you to position your tablet in any angle. ^^ Compatible with Apple iPad 12.9, Pro 11 (2018/2021), New iPad (2018), iPad Pro 12.9 (2017), iPad Mini 4, Samsung Galaxy Tab S7, S7 FE, S7+, Galaxy A7, A7 Lite, Tab S6 S5e, S4, Galaxy Tab S3, Micro Surface Pro and more tablets.