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USB-C® to HDMI™ & USB™ 3.0 with Power Delivery

Windows®/ macOS®/ Chrome OS™ Compatible
Model: JCA379
$ 39.99

Add extra functionality to your laptop with the JCA379 USB-C® to HDMI™ & USB™ 3.0 with Power Delivery. This device allows you to add an additional USB™ 3.0, HDMI™ monitor, and USB-C® that can be charged through your USB-C® port. The USB™ 3.0 SuperSpeed port gives you data transfer rates up to 5 Gbps. Display Alt Mode for HDMI™ supports a resolution up to 4K @ 30 Hz with Primary, Extended, and Mirrored display modes. The JCA379 supports upstream charging and Power Delivery 2.0 to keep your connected laptop powered up while in use.



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HDMI™ output port

HDMI™ resolution up to 4K @ 30 Hz.

No external power adapter needed

Optional power adapter can be connected for charging a laptop or other power consumption device.

Transfer Speed

USB-C™ downstream port supports 900mA charging, Power Delivery 2.0 max 100W and data transfer up to 5 Gbps

Extra connectivity for your computer

Connect video, data and power to a computer or tablet with a single USB-C™ port.

Plug and play

No need for any software installation or configuration.

Connect anywhere

Small, compact, and lightweight. Slip it into your laptop bag and take it with you anywhere.

  • Plug and play – No software or drivers required
  • USB™ 3.0 SuperSpeed
  • Data transfer rates up to 5 Gbps
  • Hot-swappable connection/disconnection without powering down
  • DisplayPort™ Alt Mode for HDMI™
  • Supports up to 3840 x 2160 @ 30 Hz resolution
audio supported
host connector

USB-C® Male

  • 1 - USB-C® PD for upstream charging
  • 1 - HDMI™ Output
  • 1 - USB™ 3.0 Gen 1 Type-A 5 Gbps
power source
Bus-Powered, Self-powered
usb pass-through


video output


2-Year Limited
audio channel
HDMI™ 2.1
displays supported


max data transfer rate

5 Gbps

max display refresh rate

30 Hz

max display resolution

3840 x 2160

Mouse Specifications
input current
Up to 5A
input voltage
Up to 20V
output current
Up to 4.5A
output voltage
Up to 20V
power consumption
≥ 350 mA
power delivery
Up to 100W via USB-C®
Physical Specifications
cable length
7.87 in. (20 cm)
enclosure type
ABS Plastic
operating humidity
< 85% non-condensing
operating temperature
32 to 118°F (0 to 47°C)
product depth
0.59 in. (15.2 mm)
product height
2.96 in. (75.4 mm)
product weight
1.43 oz (40.8g)
product width
1.48 in. (37.8 mm)
storage humidity
< 85% non-condensing
storage temperature
14 to 140°F (-10 to 65°C)
Wireless Protocols
Package Contents
  • 1 - JCA379 USB-C® to HDMI™ & USB™ 3.0 with Power Delivery
  • 1 - Quick Installation Guide
System Requirements
  • Available USB-C® port that supports DisplayPort™ Alt Mode and USB™ Power Delivery 2.0 or 3.0
    Please refer to the manufacturer of your hardware for more information on your device
  • DisplayPort™ v1.2 required on graphics card or video source to support 4K @ 30 Hz resolution.
Special Notes
  • If you are using high-powered USB™ devices, attach the USB-C® power adapter to the power delivery port to ensure maximum performance. When using your USB-C® power adapter, the multi-adapter powers both the adapter (with attached peripherals) and your laptop
  • To ensure files copy completely, do not remove the USB-C® power adapter while copying files. For maximum performance, use a computer and USB-C® power adapter equipped with PD 3.0
  • Your mobile device might require more power than your charger allows when using the adapter and charging your device simultaneously. To ensure the JCA379 powers and charges your mobile device while in use, a higher wattage power adapter may be required.