This article covers Herfair HDMIスプリッター デュアルモニター用 拡張ディスプレイ 1イン2出力 4K USB C→2 HDMIアダプターエクステンダー MacBookノートパソコン用 Windows&ミラーモード対応 MacOS用.

Overview

The Herfair HDMI Splitter for Dual Monitor is a 4-in-1 USB-C hub that lets you connect two external displays to a USB-C laptop. It offers two HDMI outputs (up to 4K@30Hz on a single monitor, 1080p@60Hz on both simultaneously), a USB-A 3.0 port for peripherals, and a 100W PD pass-through port to keep your laptop charged. This compact adapter is ideal for setting up a dual-monitor workspace on a budget, whether at home or on the go.

Connectivity & Compatibility

This hub works with any device that supports USB-C Alt Mode (DisplayPort Alt Mode). It supports Windows MST (extended displays: A-A-B-C) and macOS SST (mirror or extended: A-A-B-B). Compatible devices include MacBook, Dell XPS, HP Spectre, ASUS ZenBook, Surface Pro, and many other USB-C laptops. Note that it does not work with USB-A-only devices or USB-C ports limited to charging. The USB-A 3.0 port transfers data at up to 5Gbps, suitable for flash drives, mice, and keyboards.

Product Info

Brand: Herfair. This is a 4-in-1 USB-C hub with dual HDMI output, USB-A 3.0, and 100W PD pass-through. The retail price is around ¥7,000 (). It is positioned as an entry-level to mid-range solution for adding dual monitors without investing in a full docking station. No driver installation is required; it is plug-and-play on Windows 10/11 and macOS. Warranty coverage is provided by the seller (typically 30-day return on). Accessories: only the hub itself.

Best Use Cases

Professionals needing a dual-monitor setup from a USB-C laptop: Ideal for presentations, coding, or financial analysis where screen real estate improves productivity. Budget-conscious users who want multi-display without a costly dock: This hub offers a simple, affordable alternative. * Mobile workers: Lightweight and compact, it fits easily in a laptop bag. The PD pass-through lets you keep your laptop charged while using external monitors at coffee shops or client sites.

Product Disclosure (Amazon)

  • Manufacturer: Herfair
  • Seller: Takumido
  • Fulfilled by: Takumido
  • ASIN: B0FPQZTJ8Z
  • Note: This article covers a manufacturer-made product based on Amazon listing details.