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This DC 5.5x2.1mm to USB-C adapter converts standard 5521 DC female power port to USB Type C male plug. It enables 5V steady power output, allowing traditional 5V DC power supplies to power Type-C small electronics, routers, smart devices and more. Mini lightweight design saves space and is easy to carry. Made with premium conductive terminals for stable current transmission and good wear resistance. Ideal for home DIY power matching, equipment power replacement and daily Type-C device DC power conversion.