The versatility of this adapter is one of its key selling points. It can be used for both car CD players and navigation antennas, making it a great choice for those who want to upgrade their car's entertainment system. Its compatibility with multiple car models also makes it a popular choice among car enthusiasts who want to their ride. Features -Color:Black -Material:Plastic, copper -Size:4.50X1.40X1.40cm/1.77X0.55X0.55in -Working current: 5A -Working voltage: 5V -Provides a convenient solution for upgrading audio systems: offers a convenient and straightforward solution for enhancing the audio experience in your car. -Compatible with multiple car models for added convenience: designed to work seamlessly with various car models, ensuring compatibility and ease of use. -Made from reliable materials for added durability: crafted using plastic, copper materials to ensure performance. -Sleek and stylish design adds a touch of sophistication to any car: features a modern and elegant design that enhances the overall aesthetic appeal of your vehicle. -Easy-to-use plug-and-play design makes installation a breeze: designed with a user-friendly interface, allowing for effortless installation without the need for complex wiring or technical expertise. Package list: 3 x adapter