- Stock: In Stock
- Model: ST220031870
- SKU: ST220031870
Available Options
Product Features
This USB‑C male to dual HDMI 2.0 MST display converter is built with durable aluminum‑alloy shell, attached 100 mm flexible pvc short cable. Video output specification: single hdmi port output supports up to 4K@60Hz; when two hdmi monitors work simultaneously, max resolution reaches 4K@30Hz per screen. Both mirror‑copy and extended desktop display modes are available. Critical Compatibility Notice: YOUR HOST DEVICE USB‑C PORT MUST SUPPORT DP Alt Mode VIDEO OUTPUT. Pure charge‑or‑data‑only type‑c port cannot output any video signal. macOS and iPadOS system do not support MST dual independent extended screens, only mirror duplicate display function can work. Good compatibility for DP Alt‑mode enabled hardware: selected Samsung, Huawei, OnePlus, OPPO android smartphones, iPad Pro series, MacBook and multiple Windows‑system laptops. Important Reminder: Package only includes one usb‑c to dual hdmi converter adapter unit. Hdmi cables, external monitors and demo host‑device hardware shown on product‑images are not included.
Product Specifications
| Product Type | USB‑C Male To Dual HDMI 2.0 MST Display Converter Adapter |
| Shell Material | Aluminum‑alloy housing |
| Cable Material | PVC, cable length 100 mm / 3.93 inch |
| Input Interface | USB‑C Male (Require DP Alt Mode video‑capable port) |
| Output Interface | 2 × HDMI 2.0 Female |
| Resolution Parameter | Single output: up to 4K@60Hz Dual simultaneous output: each screen up to 4K@30Hz |
| Display Mode | Mirror mode / Extended desktop mode (Windows / ChromeOS); Mac iPad only mirror mode |
| Body Color | Gray |
| Compatible Hardware | DP Alt‑mode supported smartphone tablet laptop (Samsung Huawei OnePlus OPPO iPad Pro MacBook Windows notebooks) |
| Host Hard Requirement | USB‑C port must support DP Alt Mode video‑output; Mac iPad cannot run dual independent extended‑display |
| Notice | Adapter‑only; hdmi‑cables‑monitors‑host‑hardware‑not‑included; verify dp alt‑mode support before‑purchase |
| SKU | ST220031870 |
| Package Contents | 1 × USB‑C To Dual HDMI MST Converter Adapter |
Usage Reminder
Before purchase confirm your device usb‑c port supports DP Alt Mode video‑output, ports for charging or data transfer only cannot drive external monitor. Windows and ChromeOS devices support both mirror and extended‑desktop dual‑screen work. macOS and iPadOS only support mirror duplicate display, two monitors cannot run as separate independent extended screens. Use qualified hdmi 2.0 cables for 4K resolution output. Re‑plug adapter if no‑signal issue appears. Disconnect adapter if long‑time‑unused.
Frequently Asked Questions
Q: Does package include hdmi cables or external monitors?
A: No, only one usb‑c dual‑hdmi converter adapter is supplied. Hdmi cables and monitors need separate purchase.
Q: Why there is no video output after connecting adapter?
A: Please confirm host usb‑c port supports DP Alt Mode video‑output. Pure data‑charge‑only port cannot output video signal. Re‑plug adapter and check hdmi cable connection status.
Q: Can i get two independent extended screens on Mac or iPad?
A: No. macOS and iPadOS do not support MST dual‑extended‑display technology. Only mirror duplicate display mode works.
Q: What resolution can i get for single‑port and dual‑port output?
A: Single hdmi output max up‑to‑4K@60Hz; two monitors work simultaneously each screen max‑4K@30Hz.
Package Contents
1 × USB‑C Male To Dual HDMI 2.0 MST Converter Adapter






