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Product Description
- • When using one HDMI™ port the max resolution is: 4K @ 30 Hz
- • When using two HDMI™ ports the max resolution is: 1080p @ 60 Hz
- • Easily add an additional display through a USB™ 3.0 and HDMI™ connection
- • Video playback performs at 1080p HD with a resolution of up to 4K @ 30 Hz
- • Add an additional monitor without adding an expensive, internal video card, avoiding complicated installation
- • Hot-swappable USB™ enables you to add or remove monitors without rebooting your system
- • Move and view your large spreadsheets across two screens without overlapping windows
- • Multitask with larger landscape/desktop space
- • Ideal for viewing multiple windows at the same time
- • Transfer rates of up to 5 Gbps enable bulky file backup
- • Backward compatible with USB™ 2.0 and USB™ 1.1 devices
- • Hot-swapping connect/disconnect without powering down
- • Great for multitasking in a wide variety of applications including phone centers, stock markets, hospitals, graphic design, editing, accounting, etc.
- • A must-have for surfing the web and working on your e-mail/Facebook/Twitter accounts all at the same time.
- • Quickly add a Gigabit Ethernet port
- • IEEE 802.3, 802.3u and 802.3ab (1BASE-T, 100BASE-TX, and 1000BASE-T) compatible
- • Activity and Link LED indicators
The USB-C™ Dual HDMI™ Mini Dock provides extra connectivity from your computer with 5 Gbps faster transfer speed. This portable docking station allows you to add additional USB™ computer peripherals, two HDMI™ monitors (one 4K and one 2K), or a Gigabit LAN through your USB™ port. When connected with a power source, the USB-C™ input charging port allows you to continue charging your notebook or smartphone.
For ultimate functionality, use the JCD381 USB-C™ Dual HDMI™ Mini Dock with j5create's JUP4275 for laptops/tablets, and/or use the JUP1230 for mobile devices.
Display interface
USB™ 3.0 SuperSpeed
Gigabit Ethernet
USB‐C™ is the new standard for connecting PCs and laptops and will eventually replace all current USB™ cables and connectors. This new USB™ standard can be found on laptops, phones, tablets, etc. The USBe-C™ has a slim and reversible design, so there is no wrong way to plug it in. USB-C™ offers greater power delivery and faster data transfer rates of up to 5 Gbps. -
JCD381 Support
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At j5create we strive to maintain 100% customer satisfaction and functionality, no matter what product or system you may have. We have a dedicated technical support specialists waiting to assist you and your specific needs.
Call Us: 888-988-0488
Email Us: service@j5create.com
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JCD381 Specifications
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System Requirements- Your host USB-C™ port (USB™ 3.1 is recommended) must support USB™ Power Delivery for 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 JCD381 powers and charges your mobile device while in use, a higher wattage power adapter may be required.
- macOS® X 10.8 or later
Microsoft® Windows® 10 (32-bit or 64-bit) compatible
Office applications / Web browsers
CPU: Intel® Core i3 Dual Core 2.8 GHz
RAM: 2 GB memory or higher
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4K-capable displays and cable are required to achieve 3840 x 2160p resolution
- One 2K (2048 x 1152 @ 60 Hz) full-screen video playback
CPU: Intel® Core i5 Quad Core
RAM: 4 GB memory or higher
- One 4K Ultra HD or two 2K (2048 x 1152 @ 60 Hz) full-screen video playback
CPU: Intel® Core i7 Quad Core
RAM: 8 GB memory or higher
Graphics card: Intel® HD Graphics 4000/ ATI HD 7xxx/ NVIDIA 5XXM or higher
Note for Video Player:- Windows® 8.1/8/7 users: Windows® Media Player is recommended for video playback
- Windows®10 users:Movies & TV is recommended for video playback
Interface Host Interface USB Type-C™ 3.1 Gen 1 Male Video Interface HDMI Type-A Female Connector x 2 Ethernet Port Gigabit Ethernet RJ-45 Female Connector USB™ Type-A Port USB™ 3.0 Female connector x 2 USB Type-C™ Port USB-C™ Power In x 1 port
(Supports upstream charging and power delivery 2.0)Power Power Mode Bus-powered or self-powered Functions Display Max Resolution 4K @ 30 Hz / 1080p @ 60 Hz Ethernet Transfer Rate:
1000 Mbps (Half Duplex) / 1000 Mbps (Full Duplex)
IEEE:
IEEE 802.3az, IEEE 802.3, 802.3u, and 802.3ab, IEEE 802.3x
Modes:
- Supports Wake on LAN function, suspend mode and remote wakeup via link-change, magic packet or Microsoft wakeup frame
- Supports IEEE 802.1Q VLAN tagging and 2 VLAN ID filtering
- Supports Jumbo Frame
- Supports Checksum Offload (IPv4, IPv6, TCP, UDP) and TCP Large Send Offload
Physical Specifications Dimensions Main body:
5.1 (W) x 2.1 (H) x 0.6 (D) in.
130 (W) x 54 (H) x 15 (D) mm
Cable length: 7.8 in.
Cable length: 20 cmWeight Approximately:
0.25 lbs/ 113.5 g
Aspect Ratio Resolution Color Depth Wide Screen Display 16:9 3840 x 2160 32 bits 8:5 2560 x 1600 32 bits 16:9 2048 x 1152 32 bits 16:10 1920 x 1200 32 bits 16:9 1920 x 1080 32 bits 16:10 1680 x 1050 32 bits 16:9 1600 x 900 32 bits 16:10 1440 x 900 32 bits 16:9 1600 x 900 32 bits 16:10 1440 x 900 32 bits 16:9 1366 x 768 32 bits 16:10 1360 x 768 32 bits 16:9 1280 x 800 32 bits 16:10 1280 x 768 32 bits 16:9 1280 x 720 32 bits Standard Display 4:3 1600 x 1200 32 bits 4:3 1400 x 1050 32 bits 5:4 1280 x 1024 32 bits 4:3 1280 x 960 32 bits 4:3 1152 x 864 32 bits 4:3 1024 x 768 32 bits 4:3 800 x 600 32 bits 4:3 640 x 480 32 bits
Special Notes:
- If you are using a high-powered USB™ device please attach an USB-C™ power adapter to the JCD381 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:
- USB Type-C™ Dual HDMI™ Mini Dock (JCD381)
- Driver CD
- Quick Installation Guide
- Your host USB-C™ port (USB™ 3.1 is recommended) must support USB™ Power Delivery for full functionality.
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Dual Display HDMI™ 4K + 2K
Allows you to add two additional monitors/displays to increase your efficiency at work through your USB-C™ port. Extend your visual workplace with excellent dual-video HDMI™.

Extra Connectivity for Your Computer
USB™ 3.0, Ethernet, Power Delivery and 2 HDMI™ video ports over a single USB-C™ connection. Connect to a computer or tablet with a USB-C™ port.

Extra Connectivity for Your Computer
USB™ 3.0, Ethernet, Power Delivery and 2 HDMI™ video ports over a single USB-C™ connection. Connect to a computer or tablet with a USB-C™ port.

5 Gbps Transfer Speed
2-Port USB™ 3.0 supports transfer speeds at 5 Gbps.

Maximum USB-C™ Compatibility
Supports all USB-C™ devices: Apple®, Dell®, HP®, Lenovo®, Microsoft®, etc.

Small, Compact, and Lightweight
Perfect for on-the-go.

Cutting-Edge Design
The advanced heat-eliminating design makes the JCD381 the perfect solution for expanding virtually any laptop into a full-sized workstation without the worry of overheating.