Cutting the HDMI Cord: Mastering Multi-User Casting with Eshare
Update on Dec. 7, 2025, 8:27 a.m.
The ritual is familiar: A presenter finishes, unplugs the HDMI cable, hands it to the next person, who realizes they forgot their USB-C dongle. The meeting grinds to a halt.
The JYXOIHUB 75” Smart Board aims to kill this ritual. Through its integrated Eshare technology, it transforms the screen from a wired monitor into a wireless, multi-user canvas.

The Logic of Eshare
Eshare is a bi-directional casting protocol built into the JYXOIHUB’s Android layer. It supports BYOD (Bring Your Own Device) policies, meaning it plays nice with: * iOS/macOS: Via AirPlay (native support, no app needed). * Android/Windows: Via the Eshare app or Miracast.
The Quad-Split Advantage
Most TVs allow one person to cast. The JYXOIHUB allows four simultaneous streams.
* The Scenario: A design review.
* Quadrant 1: The Web Designer casts the mobile site from an iPhone.
* Quadrant 2: The Copywriter casts the Google Doc from a laptop.
* Quadrant 3: The Project Manager casts the timeline from an iPad.
* Quadrant 4: The Creative Director annotates over the whole view.
This allows for comparative analysis. You don’t have to switch contexts; you see everything at once.
Why 4K Matters for Split-Screen
This is where the 4K UHD resolution becomes critical.
If you split a 1080p screen into four, each person gets a blurry 540p window. Text becomes unreadable.
On the JYXOIHUB’s 4K panel, when you split the screen four ways, each quadrant is a full 1080p HD display. This means spreadsheets remain crisp, code remains legible, and details are preserved. The 75-inch physical size ensures that each quadrant is roughly 37 inches diagonal—plenty big enough to read from a conference table.
Two-Way Touch Control
Eshare isn’t just mirroring video; it supports Reverse Touch Control.
If you cast your Windows laptop to the board, you can control your laptop from the board. You can tap the smart board to open files, scroll through pages, or type on the on-screen keyboard, and it reflects on your laptop. This allows the presenter to stand at the front of the room and drive the presentation without running back to their seat to click “Next Slide.”
Conclusion: The Democratic Screen
Wireless casting democratizes the meeting. It lowers the barrier to entry for sharing ideas. When anyone can throw their screen onto the wall in seconds, meetings become more dynamic, more visual, and infinitely less frustrating. The JYXOIHUB becomes not just a display, but a shared visual workspace.