Features: - Brand new and high quality - Made of high quality materials, durable - Nickel-zinc ferrite: improves the electromagnetic field around the solenoid and avoids external interference - Easy to install and use: detachable, there is a spring clip on the interface - High efficiency and long life: placing near the electromagnetic source can more effectively improve the signal quality of audio and video - Application: Car DVR, headphone cable, speaker cable, mouse cable, keyboard cable, USB cable, etc. - Clamped on the signal line to play the role of anti-interference and electromagnetic compatibility - Clamp the power cord to stabilize the current and improve the sound quality - Scope of application: suitable for all kinds of electronic connecting wires, wiring harnesses, home appliances, air conditioners, computers, inverters, electric welding machines, power cords, etc. .) Specification: - Product Name: Nickel Zinc Ferrite - Item Number: Magnetic Ring 3-15mm - Saturation Magnetic Induction: 400 - Initial permeability: 650-850 - Rectangle ratio: 20 - Coercivity: 16 (A/m) - Remanence: 200 (mT) - Curie temperature: 120 (℃) - Density: 4.9 (g/cm3) - Specifications: 15mm-high performance (A), 6.5mm-square high performance (B), 8mm-square high performance (C), 10mm-square high performance (D), 13mm-square high performance (E) (optional ) - Material: Soft Magnetic - Quantity: 1 piece - Color as shown Package Included: 1 * Nickel Zinc Ferrite (Optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. Brand new and high quality Made of high quality materials, durable Nickel-zinc ferrite:improves the electromagnetic field around the solenoid and avoids external interference Easy to install and use: detachable, there is a spring clip on the interface High efficiency and long life: placing near the electromagnetic source can more effectively improve the signal quality of audio and video