• Your host USB-C port (USB 3.1 is recommended) must support USB™ Power Delivery and DisplayPort alt mode to ensure full functionality.

    • Your mobile device might require more power than your charger can allow to use the adapter and charge your device simultaneously. To ensure the JCA379 powers and charges your mobile device while in use, a higher wattage power adapter may be required.

    • 4K-capable displays and cable are required to achieve 3840 x 2160p resolution

  • DisplayPort v1.2 required on graphics card or video source to support 3840 x 2160 @ 30 Hz


Host Interface

USB Type-C 3.1 Gen 1 Male

Video Interface

HDMI Female connector

USB Port

USB 3.0 Female connector


Power Mode

Bus-powered or self-powered



HDMI Display resolution:
3840 X 2160 @ 30 Hz

Physical Specifications

Housing Material



Main body:
75.4 (H) x 37.8 (W) x 15.2 (D) mm
Cable Length:
7.87 in./20 cm


Approximately 0.09 lbs
(0.0408 kg)

Special Notes:
  • If you are using a high-powered USB device please attach an USB-C power adapter to the JCA379 power delivery port for maximum performance.

  • To ensure files copy completely, do not remove the USB-C power adapter while copying files.

  • For more information about Power Delivery & graphic cards for your device, refer to the manufacturer of your hardware.

Package Contents:

  • JCA379 USB Type-C HDMI & USB 3.0 with Power Delivery
  • Quick Installation Guide

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