AUTOMOBILE MOUNT LARGE GPS/MINI TABLET(AM-MTB) The MINIMUM size device this model will hold is4 1/2 in x 7 1/2 in (114 mm x 190 mm) The MAXIMUM size device this model will hold is 5 3/4 in x 8 3/4 in (146 mm x 222 mm).Be aware that external cases increase the outside device dimensions Non-scratch pad on the mount head allows for damage free securing of your mobile device without a case Sticks securely to surfaces by combining durable adhesion with suction. The patented, reusable adhesive pad on the bottom of the suction cup firmly adheres to surfaces even before the suction cup is locked down Multi-adjustable, telescopic mount head can be positioned 360 in any direction Flexible adhesive layer enables mount to adhere to textured, non-porous dashboard surfaces of +/- 1mm Patent pending, adjustable gripping system holds any standard sized smartphone, either with or without any type of case covering the device, enabling convenient insertion and/or removal from the mounting head