Weighted Non-Slip Base: This cell phone holder is equipped with a weighted base and an aluminum alloy bar that forms a lower center of gravity. Therefore, this cell phone holder is stable enough to support all smartphones. Universal Compatibility: This cell phone holder is compatible with all types of smartphones, headsets, switches, tablets and e-readers ( 4-10), e.g. iPhone 12, 12 Pro, 12 Pro Max, 11 Pro, Xs, Max, Xr, X, 8.7, 6, Switch, iPad mini, Samsung Galaxy S10, S10+, S9, S9 +, S8, S8+, Samsung Tab, Google Nexus, Kindle LG and so on. Sturdy construction and rubber pads: The rubber pads and phone holder feet can protect your device from daily scratches and slips. Adjustable height and angle: This cell phone holder conforms to the ergonomic design. The height can be easily adjusted between approx. 18, - 26 cm (adjustable range 8 cm). The angle is adjustable between 0-60 and provides you with a convenient viewing angle that helps you fix your posture and reduce pressure on your neck and back; tips: not suitable for large appliances. At more than 10, it can tip over.