• Wonderful usage experience：Rotate the Multimedia knob to adjust the volume.With one key mute function, just press the knob when you are listening to music, the music will be stopped and start playing if pressing the knob again.Ideal gift for festivals, music fans, geek and Youtubers.
• Sturdy and durable：The USB volume control knob is made of high quality metal shell and equipped with solid rotary shaft and removable USB cable, which makes this audio adjuster not only durable but also user friendly.
• Driver Free：This volume control knob supports Win10/8/7/Mac, once you insert it to your computer, it will begin to work. Plug and play, no driver required, you can directly adjust the volume by rotating the knob.
• Delicate and convenient：Easy to carry and use thanks to its mini exquisite design. Combined with aluminum alloy and awesome black appearance, the whole USB volume control knob looks more atmospheric and fashionable.
• Non-slip design：With heavy metal blocks placed inside the base as well as 4 anti-slip mats stick to the bottom , this volume controller is pretty steady. Not easy to move.