Review on Yootech USB C Female to USB Male Adapter (4 Pack) - USB-C to USB Adapter for iPhone 13/12 Mini Pro Max, Samsung Galaxy S21/S20, iPad Mini/Air/Pro - Type C to A Power Charger Cable Connector by Dan Phillips

In short, if you need an adapter for your old USB-A ports, this adapter will work. First, this is a great deal for a package. four. I have some USB-C devices so I tested charging them with this adapter. Below are my results: Test devices: Apple 12W USB Power Adapter (5.2V 2.4A) Apple 100W USB-C Charging Cable for Macbook Pro Apple USB-C to Lightning Cable USB-C Power Tester (4-30V 0-5A) Device tested: 2020 11" iPad Pro Logitech MXNintendo Switch KeysLG Nexus 5XiPhone 12 Mini and iPhone 12 ProAirPods ProAukey True Wireless Headphones All of the above devices charge easily. This adapter also charges my 12w MacBook Pro well, but it really shouldn't be used more frequently Use case for a USB-A to USB-C adapter to power your laptop. Also note that different PC/Mac computers have different power outputs. (5V, but power ranges depending on configuration from 100mA to over 2000mA). So if you want to charge your device fast, most people should use an AC adapter. But using a computer to charge devices with this adapter is perfectly fine. Just note that loading speeds may vary. Transfer speed: I tested this adapter with a SanDisk MicroSDHC. The transfer rate conforms to USB 2.0 specifications as described on the product website. Please note this is USB 2.0. So if you want to transfer music or other files from your computer to your smartphone, this adapter should work just fine at USB 2.0 speeds.