Description
Description
The UGREEN 80191 Dual-Interface Card Reader is a compact and versatile accessory allowing SD and Micro-SD (TF) memory cards to be accessed via both USB-A (USB 3.0) and USB-C ports — perfect for smartphones, tablets, laptops, cameras and more. With support for simultaneous card access (SD + Micro-SD) and ultra-fast transfer speeds up to 5 Gbps, this reader makes it easy to back up and share photos, videos and other large files across devices and platforms.
Designed for modern workflows, the 80191 supports OTG on USB-C devices for direct access from mobile phones or tablets. It also supports cards up to 2 TB in capacity, and works plug-and-play without driver installation across Windows, macOS, Linux, Android and iPadOS. Whether you’re a photographer on the go, a content creator needing quick card transfers, or simply upgrading your device connectivity, this dual-interface card reader gives you high performance, broad compatibility and convenience.
Tech Specs
| Model | UGREEN 80191 (also referenced as CM304) |
| Interface / Connectors | USB-A (USB 3.0) + USB-C male connectors |
| Supported Cards | SD / SDHC / SDXC / MMC / RS-MMC + Micro-SD (TF) / Micro-SDHC / Micro-SDXC (UHS-I) |
| Capacity Support | Up to 2 TB per card |
| Transfer Speed | Up to 5 Gbps (USB 3.0) |
| OTG Support | Yes — USB-C port supports OTG on compatible mobile devices |
| Plug & Play / OS Compatibility | Windows 10/8.1/8/7/XP, macOS, Linux, Android, iPadOS — no driver required |
| Dimensions (approx.) | ≈ 10 × 8 × 2 cm |
| Color / Finish | Black (metal/plastic combo) |
| Warranty Terms: | 1-year warranty provided by UGREEN MAURITIUS – 101 Multimedia. |
★ ★ ★ ★ ☆
4.4 out of 5
“Excellent dual-interface card reader with fast transfers and broad compatibility.” — Verified UGREEN user review