Features: Achieve precise sound control with this USB sound controller, featuring plug and play functionality, ideal for users seeking easy to use sound knob solution. The ergonomic high sensitivity rotary knob and ABS housing ensuring smooth adjustment, perfect for frequent use in dynamic environments. Designed for professional, and audiophiles who demand sound adjustment, this USB sound amplifier module simplifies workflow and entertainment setups. Enhancing productivity for home offices, gaming stations, or late night studios—its low light visibility make it a must have for multitaskers in dimly lit spaces. This USB sound controller blends seamlessly into modern desks while solving compatibility headaches, offering management for work and entertainment systems. Specifications: Component:ABS Size:Approx.50x28mm/1.97x1.1inch Package Includes: 1Pc USB sound Controller note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.