| General Information | ||
| Input | USB-C Male | |
| Output | 2 × HDMI Female | |
| Resolution | Single Display Resolution: Up to 4K @ 30Hz Dual Display Resolution: Up to 1080p @ 60Hz |
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| Compatible Systems | Windows/macOS/Linux | |
| Power Delivery | PD 3.0, 100W Max | |
| Data Transfer Rate | USB-A: Up to 5 Gbps | |
| Length | ≈20cm | |
| Physical Specification | ||
| Color | Grey | |
| Gross Weight | 0.111kg |
|
| Volume Weight | 0.065kg | |
| Material | Material: Aluminum Alloy Shell with Braided Cable Interface Material: Nickel-plated Shell Material: Plastic |
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| Warranty Information | ||
| Warranty | 6 Months | |
Dual 4K@30Hz Output | PD 100W Fast Charging | USB-A 3.0 Data Transfer
Supports dual HDMI output with single-screen resolution up to 4K@30Hz — a practical solution for expanding your workspace across multiple monitors for design, coding, or gaming.
Windows systems support three-screen extension mode (laptop screen + two external displays), while macOS supports dual-screen extension and mirroring modes — flexible for different operating systems and setups.
Built-in PD 3.0 standard supports up to 100W power delivery, allowing your laptop to charge while working — keeping your workflow uninterrupted without a separate charger.
The integrated USB-A 3.0 port delivers theoretical maximum transfer speeds of up to 5Gbps for rapid file transfers and device connectivity alongside your display setup.
Built with GaN chip technology, the CM866 includes surge protection, overcurrent protection, overvoltage protection, and short-circuit protection — ensuring safe operation for your connected devices.
Featuring an aluminum alloy shell with a braided ~20cm cable and nickel-plated interface, the CM866 is compact, portable, and built to withstand everyday use across Windows, macOS, and Linux systems.
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