The PNY Attaché 4 is a reliable and user-friendly USB flash drive with a practical and stylish design. Here are some of its key features:

1. Ease of use: You can easily use Attaché 4 by simply connecting it to your computer, copying your files to the drive, and taking them with you. When you need your data, simply connect Attaché Original to any PC or Mac.

2. Reliable performance: With good performance and reliability, you can be sure that your files are safely stored and easily accessible when you need them.

3. Exclusive capless design: Attaché 4 has a capless design, which means you don't have to worry about losing the cap. This makes it more practical and user-friendly.

4. Stylish and unique exterior design: In addition to its functionality, Attaché 4 also has a stylish and unique appearance that stands out from other USB flash drives.

5. Compatibility: It is compliant with the USB 2.0 specification, ensuring broad compatibility with most computers and devices.

6. Activity LED: The built-in activity LED gives you visual feedback when data is being transferred and ensures you can safely remove the drive when in use.

Overall, the PNY Attaché 4 is a reliable and practical USB flash drive that allows you to easily store and transport your files in style.