(Doesn't work with MagSafe charger) BE AWARE OF THE LIMITATION: This is a USB-C female to USB-A male adapter designed for charging or data transfer and it will NOT support vidoe signal transmission. (Latest Test Result: This product doesn't work with MagSafe wireless charger due to the incompatibility of charging protocols. So charger must be paired with A USB-C power adapter) With this little dongle plugged into an available standard USB port, your legacy devices (charger, power bank, computer) can turn into a USB-C enabled platform. You can easily hook up any USB-C peripherals (USB Type-C cable, USB Type-C flash drive, USB Type-C hub) that make use of the newer USB-C connector. This adapter offers data transfer speeds of up to 480 Mbps between connected devices and also supports up to 2 Amps of power output for charging your devices. Enjoy the fast and safe charging. Our aluminum-alloy-bodied dongle occupies very little space and can plug directly onto the end of your USB-A hardware, so you wont have to worry about carrying it around. FOR wireless charger user, read this before your order: What's in the box USB-C (female) to USB-A (male) adapter * 2-pack