Adjustable features refer to components of a product that can be modified to suit individual preferences or needs. Common examples include the height of a desk, the angle of a chair backrest, or the volume control on audio devices. These features enhance user comfort and functionality, allowing for a more personalized experience. In various industries, adjustable features are essential for improving usability. For instance, in automobiles, adjustable seats and steering wheels accommodate drivers of different sizes. Similarly, in fitness equipment, adjustable weights and resistance levels cater to users with varying fitness levels, promoting effective workouts tailored to personal goals.