FOR A MORE STABLE HOLD, LOWER THE LENGTH OF THE HOLDER. WEIGHT LIMIT: 4 POUNDS. FOR TABLET USE, THERE ARE 2 RELEASE BUTTONS ON SIDES THE HOLDER TO EXPAND THE SIZE OF THE HOLDER'S LENGTH SO IT CAN FIT A TABLET.. FOR STABILITY *** MAKE SURE THAT THE BASE IS TIGHTLY TURN TO FIT YOUR CUPHOLDER***. GREAT FOR KIDS IN THE BACK SEAT TO WATCH MOVIES. CONVENIENT ADJUSTABLE LENGTH FOR EASIER REACH. TOUGH DURABLE BUILT - FITS ALL CUP HOLDERS. 360 Rotation: It allows you to adjust the viewing angle. It can be positioned in portrait or landscape view. Whether horizontal, vertical or diagonal, you have a perfect view angle you want. Ensuring that you can drive safely without the line of sight block. Adjustable Goose Neck: Up to 13 inches, allows you to set the height you like. In addition, it helps to adjust the best viewing angle by cooperating with the rotation head. Stable Adjustable Cup Base & Upgraded Extended Holder: Increase the base size from 2.32 inches to the maximum 4.53 inches, perfectly fit more car's cup holders. Holder has extended from 4.13 inches to maximum 8.46 inches, work well both cell phone and Tablet under 12.9 inches. Tablet Holder for Car: It also compatible with tablet max width is 8.46 inches (21.4cm), NOT included 12.9”iPad Pro. Fit for tablet like iPad mini / iPad Air / 11”iPad Pro, Samsung Galaxy Tab E, Samsung Galaxy Tab A/Tab S2, Lenovo Yoga Tab 3.... Car Cup Holder Mount for Phone: It fits nearly all smart phones, such as ALL IPADs, iPhone 14 PRO MAX, SAMSUNG FOLD 3, SAMSUNG FOLD 4, iPhone 13 , 13 PRO, 13 PRO MAX, IPHONE 12, 12 PRO, 12 PRO MAX, IPHONE 11, 11 Pro, 11 Pro Max, X, XS MAX, XR, 8, 8+, 7, 7 Plus, 6s, 6 Plus, SE...), Samsung (Galaxy S9, S9 +, S8, S7, S6, S5), Motorola Moto, LG, Nexus, HTC, LG, Nokia, Google, etc.