There are several features to consider when choosing a car air freshener. These include:

1. Type: Car air fresheners come in a variety of types, including hanging air fresheners, clip-on air fresheners, vent air fresheners, and spray air fresheners. Each type has its own advantages and disadvantages, so it's important to choose one that fits your needs and preferences.

2. Fragrance: Car air fresheners are available in a wide range of fragrances, from fruity and floral scents to more masculine and musky aromas. It's important to choose a fragrance that you enjoy and that isn't too overpowering.

3. Longevity: Some car air fresheners are designed to last longer than others. Hanging air fresheners and vent air fresheners tend to last longer than clip-on air fresheners and spray air fresheners, which need to be replaced more frequently.

4. Safety: Some car air fresheners contain chemicals that can be harmful if inhaled in large quantities or over prolonged periods of time. It's important to choose a product that is labeled as safe and non-toxic.

5. Aesthetics: Car air fresheners come in a variety of shapes and designs, from simple and understated to colorful and eye-catching. Consider the aesthetics of the air freshener and how it will look in your car before making a purcha