Kramer's <b>ADC-U31C/M2</b> is a USB 3.1 Type-C to multi-port adapter cable, supporting 4K@30Hz resolution on the HDMI video output to any HDMI display or projector. A USB 3.0 port is included to charge/sync your smartphone or connect other legacy devices such as an external USB hard drive or hub. The adapter also supports fast charging of your laptop thanks to pass-through power on the female PD (power delivery) USB-C port.</p><p><b>Please Note:</b> Video output for smartphones is supported only for smartphones that support DisplayPort Alt mode through USB-C.</p>