The object shown is a car cup holder mount with an adjustable arm, designed to securely hold devices like smartphones or tablets. It can be rotated and adjusted to various angles for optimal viewing while driving.

Key Features

Mounting: It fits into your vehicle's existing cup holder, typically featuring an expandable base for a secure fit across different car models.

Adjustability: The device often has a multi-jointed or long, sturdy arm with adjustable knobs, allowing you to customize the height and viewing angle.

Compatibility: These mounts are generally universally compatible with a wide range of devices, from small phones to larger tablets, using adjustable clamps or magnetic systems.

Stability: The design, particularly the double-jointed arm and stable base, helps minimize shaking on bumpy roads.