The holder is suitable for all flat devices with a width of 1.771 to 3.543". The operation is quick and easy. Insert smartphone - press clamping jaws together - done. The device is released again at the touch of a button. The clamping jaws with integrated rubber pads guarantee a secure hold. The movable supports can also be folded away completely if necessary. Thanks to the ball joint, the holder can be tilted up and down and rotated through 360°. The flexible support arm provides additional individual positioning. A sturdy clamping element with user-friendly wing nut enables quick installation on any tube with a diameter of 0.393 to 1.181".