Port conversion: USB-C female to USB-A male 2.0 adapter, used for charging or data transmission Universal compatibility: after connecting this USB C adapter to a standard USB port , your old devices (power bank, computer, laptop, hub) can become a platform supporting USB-C. Data transmission: This adapter can provide transmission speed of USB 2.0 data up to 480 Mbps Fast and safe: Each USB adapter has a built-in 56k resistor to ensure safe and long-lasting charging and data transmission. < p>Perfect Design: It is made of high quality aluminum alloy, which is safer than other plastic adapters, small and compact, and can work just by inserting it, which is convenient and quick.< /p> Attention: MagSafe wireless chargers are not supported Attention: Video signal transmission is not supported