This product is a converter, made of solid materials, safe and durable. It can serve you for a longtime without being easily . The product is an excellent converter that can bring you more convenience, allowing you to have a more comfortable experience. Features -Color:Black -Material:PCB, Electronic Component -Size:3.30X2.10X0.80cm/1.30X0.83X0.31in -Input voltage range: 6V-32V -Output voltage: 5V by default, automatically adjusted between 3-12V after triggering fast charge -Output power: up to 24W (5V3.4A, 12V2A, etc.) -Conversion efficiency: 90%-97% - The device is compact and lightweight, making it ideal for use in portable electronic devices. - converter is easy to use and can be integrated into a variety of electronic systems. - Multifunctional design: Single USB interface, suitable for mobile phones, tablets and other devices, convenient and practical. - Sturdy materials and good craftsmanship ensure its durability and practicality. - Fine workmanship, durable and sturdy, not easy to wear or tear, you deserve to have one. Package list: 4 x Converters