Griffin BreakSafe Magnetic USB-C Breakaway Power Cable for MacBooks and Chromebook Pixel Compatible with Apple's MacBook (12") and other devices that charge via USB-C BreakSafe is rated up to 60 watts (20 volts at 3 amps) power Designed and tested to meet USB-C power standards Data and video are not supported In the box: USB-C magnetic connector, USB-C cable