1. Single USB cable computer speakers: They are plug-and-play. Simply insert the USB cable into your computer, and they can emit clear sound without the need for a 3.5 - millimeter interface or other drivers. They help avoid cable clutter and keep your desktop tidy and organized. 2. USB expander: It can add 3 USB interfaces to any compatible device, transforming a single USB interface into a workstation. The 5.9 - foot extension cable enables a suitable setup, making it convenient to use hard-to-reach interfaces. Use the included cable ties to adjust the length for better comfort and work efficiency. 3. Microphone enhancement function: The built - in microphone function is optimized with appropriate volume and a flat frequency response, allowing the microphone to transmit your voice clearly. It is designed for minimalist or small - sized device configurations, taking up little desktop space. It is also easy to carry if you need to take your device for live streaming. 4. A useful office helper: Connect it to your computer via a USB - C cable without the need to install drivers. It is compatible with many online meeting platforms and social applications. Whether you're in a meeting, taking an online class, playing games, watching videos, or listening to music, it's a good option. 5. Wide compatibility: This USB device works well with various Windows (Vista/7/8/10) computers. It can be used with personal computers, mini - computers, laptops, XPS computers, flash drives, and other USB - compatible devices. 6. Stereo 5.1 audio adapter: It enables your existing 3.5 - millimeter audio headphones and headsets to achieve USB connection. 7. Noise - canceling microphone with mute button and LED indicator: The built - in microphone can clearly pick up your voice. The microphone has an on/off button to start or stop recording at any time. 8. USB - powered speakers with mute switch: The compact speaker design provides stereo and clear sound effects. You can turn it off via the LED indicator. 9. Dimensions: 7.8 x 1.5 x 0.9 inches / 20 x 3.8 x 2.3 centimeters 10. Weight: 210 grams / 7.4 ounces 11. Material: ABS 12. Color: Black 13. Package contents: 1 speaker Only the above - mentioned items are included in the package, and no other products are included. 14. Note: Light and different monitors may cause slight color differences between the item in the picture and the actual product. A measurement error of +/- 1 - 3 centimeters is allowed.