The "GM-009 RGB Gaming Headphone" is a gaming headset that supports both USB and 3.5mm audio connections. It features RGB lighting, which adds a visual flair to the headset.
The USB connection allows you to connect the headset to your computer or gaming console, enabling you to benefit from various features such as virtual surround sound, audio customization options, and possibly additional functionalities like microphone monitoring. The USB connection also usually provides power to the RGB lighting, allowing you to control the lighting effects.
The 3.5mm audio connection, on the other hand, allows you to connect the headset to a wider range of devices, such as smartphones, tablets, and gaming controllers that have a 3.5mm audio jack. This connection is useful for situations where you want to use the headset with devices that don't have a USB port.