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  • 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 JCD388 powers and charges your mobile device while in use, a higher wattage power adapter may be required.


Host Interface

USB Type-C male connector


USB Type-C female connector

USB Port

USB Type-A female connector x 2

Card slots

  • SD x 1 slot female
  • microSD x 1 female


Power Mode

Bus-powered or self-powered



Upstream & downstream:
charging, power delivery 3.0 and data transfer


USB 3.0 Type-A port x 2 (USB 3.1 Gen 1 / 5 Gbps)

Physical Specifications


Main body:
4.21 (W) x 1.26 (H) x 0.43 (D) in.
107 (W) x 32 (H) x 11 (D) mm


Storage Temperature

-10 – 65°C

Storage Humidity

< 85% non-condensing

Operation Temperature

0 – 40°C

Operation Humidity

< 85% non-condensing

Special Notes:

  • If you are using a high-powered USB device please attach an USB-C power adapter to the JCD388 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 for your device, refer to the manufacturer of your hardware.

Package Contents

  • JCD388 USB-C 6-in-1
  • Quick Installation Guide

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