Features: Experience superior sound quality with the GX21 542 Noise Cancellation Adjustment Controller Module, to effectively reduce unwanted noise for clearer sound experience. This computer adapter features PCB construction, ensuring durability performances in various computings. for both male and female users, this universal module caters to enthusiasts, professional, and anyone seekings Enhanceds sound claritys. for use in office, home studios, or gaming setups, the GX21 542 seamlessly integrates into your existing computer system to sound output. Enhances your computings experience with essential accessory, making it addition to your collection of computer cables and connectors. Specifications: Materials: PCB Size:12.5x1.55cm/4.92x0.61inch Package Includes: 1PC Noise Cancelling Controller note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!