Features: *Effective Cable Noise Reduction:Helps in reducing electromagnetic interference and improving signal quality for various wire cords including power cables, audio cables, data cables, and USB cables. *Minimal Interference:This clip-on ferrite bead cable effectively prevents outside interference, ensuring optimal performance of your devices and avoiding audio or video distortion. *Wide Compatibility:Available in different sizes, including 11mm and 15mm, this ferrite core ring is compatible with a variety of devices and wires, offering flexibility in usage. *Sufficient Quantity:Each package contains 10 pieces of ferrite cores, providing ample quantity to meet your needs without requiring additional purchases. *Easy to Use:Clip the ferrite ring onto the cable, it does not require any additional installation process. Enjoy improved signal quality and reduced interference effortlessly. Specifications: *Part Name:Noise Reduction Filter Cable Clip *Material:Nickel Zinc Ferrite *Size:Approx.11mm, 15mm(Overall Length*Overall Dia.*Core Dia.) 11mm:24*14*11mm 15mm:29*15.5*15mm *Color:Black Package Content: 5 * Clips Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 5Pcs Ferrite Cores Ring-On Rfi Emi Noise Reduction Filter Clip Audio Power Cable Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you.