【Connection method】 Need to plug your USB-C enabled device to your quaint devices that only have USB-A ports, Then these USB-A Male to USB-C Female adapters are made for you. Simply plug the adapter into the USB-A port of your device and you can instantly connect your USB-C peripherals to the device that originally did not have the right connection interface. 【Use】USB 3.1 to Type C 90 degree angle converter.Connect USB C cable, USB C mouse, USB C keyboard and other USB C devices to USB port of laptop/tablet/wall charger. (Note: USB function only, does not support audio and video transmission) 【Excellent quality】The key internal parts of these adapters are housed in an aluminum alloy shell that holds its ground well to brute force and ensures stable connection and long term use. The colorful coatings come in various shades that do not easily peel off. With these adapters, you can bid farewell to dropped signals and frustrating interruptions as well as discoloration over time.