HEAVY DUTY ANTI-SLIP BASE---This desktop cell phone stand is equipped with a weighted base and an aluminum alloy rod that lowers the center of gravity. Therefore, this cell phone holder is stable enough to support all smartphones. $UNIVERSAL COMPATIBILITY--- The cell phone holder is compatible with all types of Smartphone, Headphone, Switch, Tablets and e-readers4-10, such as iPhone 12 12 Pro 12 Pro Max 11 Pro Xs Xs Max Xr X 8 7 6, Switch, iPad mini, (Tips: Not suitable for large equipment, more than 12.9 inches, may tilt.)$ ADJUSTABLE HEIGHT AND ANGLE --- This mobile phone holder is in line with ergonomic design. The height can be easily adjusted between 7.1in-10.2in. (3.1 inch adjustable range), the angle is adjustable between 0 ~ 60 , providing you comfortable viewing angle that helps correct your posture and reduce strain on your neck and back.