Has good electrical conductivity and is durable with long service life. Suitable for various applications including digital products, remote controls, toys, communication devices, household appliances, computer products, security monitors, o-visual equipment, and more. The socket is environmentally friendly and flame retardant. Product material: Nickel-plated outer layer, resistant to oxidation. Application range: Widely used in car o systems, video communications, cassette recorders, stereos, telephones, and similar devices. Color: Black Material: Plastic Package Contents: 1 x DC2.1 charging port set Note: The package includes only the items listed above; other products are not included. Note: Lighting effects and monitor settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.