Homlly Tristii Aluminum Adjustable phone iPad Holder StandProvide you with most comfortable viewing angles for work movie video calls. Compatible with all 4. 0" 12. 9" screen cellphones and tablets. Supports height adjustment from 15 26cm and 270 angle adjustment with easy tighten bottom screws and the rotary knob. Anti slip silicone provide maximum protection for your device from any scratches and slide. Max hook width of the tablet iPad stand is 1. 5cm, no need to remove your phone case when using.