Features: New and high quality Universal Compatibility: USB Male to DC 3.0x1.1mm, 2.5x0.7mm, 4.0x1.7mm, 5.5x2.5mm 5V Barrel Jack Power Cord Adapter Converter Cable. Powers your device through a USB port, ideal for small electronic devices that use a barrel jack connector. Charges via any computer's USB port. Multiple Features: Stable signal transmission. Widely used for various applications. Low resistance, low heat generation, fast conductivity, strong transmission, and stable performance. Tight Connection: Durable design resists frequent plugging and unplugging. USB male to 3.0x1.1mm, 2.5x0.7mm, 4.0x1.7mm, 5.5x2.5mm male coaxial/barrel plug with center pin. Powers device from USB port. Safe and Reliable: Built-in circuit protection provides overcurrent, overvoltage, overload, and short circuit protection. Withstands temperatures up to 80 degrees. High Quality: Made of PVC environmental protection material. Nickel-plated metal plug for anti-corrosion and rust resistance. Durable wire construction with enhanced wear resistance. Reinforced joints provide high strength, excellent flexibility, and long service life. Specifications: Material: Plastic Interface: 3.0x1.1mm, 2.5x0.7mm, 4.0x1.7mm, 5.5x2.5mm (optional) Length: Approx. 1m / 39.37in Note: Compatible only with 5V devices. Not compatible with 12V devices. Internal interface is positive, external is negative. Allow 0–1cm error due to manual measurement. Due to differences in monitor displays, the actual color may vary slightly from the image. Package Includes: 1 x USB to DC Cable