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| Basic Information | ||
| Interface / Port | USB 3.0 Up to 5Gbps Transmission; USB-C OTG Function | |
| Plug | USB-C OTG | |
| Cable | SD Slot: SD, SDHC, SDXC, RS-MMC, MMC; Micro SD slot: Micro SD, Micro SDHC, Micro SDXC | |
| Other Features | Up to 512GB | |
| Warranty Information | ||
| Warranty | 1 Year | |
The UGREEN CM185 2-in-1 USB C OTG Card Reader is a compact, high-performance solution for anyone who frequently transfers photos, videos, and files between memory cards and USB-C/USB-A devices. Designed for fast, reliable access to both SD and microSD cards, it helps you manage media without needing a full computer setup—especially useful for Android phones and USB-C-enabled tablets that support OTG. With dual card slots and USB 3.0 performance, this reader is ideal for photographers, content creators, students, and travelers who want quick backups and smoother file migration on the go.
This card reader features two dedicated slots: one for SD/SDHC/SDXC/RS-MMC/MMC cards and another for microSD/microSDHC/microSDXC cards. The practical advantage of the dual-slot layout is that it supports simultaneous reading and writing between two cards, making it convenient for quick transfers, cloning workflows, and efficient backups. Instead of moving files card-by-card, you can streamline your workflow—particularly when you’re organizing large photo libraries or transferring high-resolution video clips.
Equipped with USB 3.0 technology, the CM185 supports data transmission speeds of up to 5Gbps. In real-world use, this means less waiting when copying HD videos, high-resolution images, and large media files. Compared to slower USB 2.0 style transfers, the higher bandwidth helps you move content more efficiently—an important benefit when you’re working with time-sensitive projects, editing sessions, or frequent daily transfers between devices.
With USB-C OTG functionality, the CM185 allows direct access to SD and microSD card files on compatible Android smartphones and USB-C-enabled devices. This is especially helpful when you want to quickly view or move media from your memory card without connecting a laptop. For example, you can transfer camera footage, share files, or manage downloads more conveniently—making it a practical accessory for creators who shoot on SD cards and want quick post-processing on mobile.
The reader supports memory cards up to 512GB, which suits modern storage needs for large media collections. Whether you’re using high-capacity SD cards for 4K video recording or microSD cards for action camera footage, the CM185 is built to handle bigger libraries for backups and file sharing. This capacity support makes it a strong choice for users who don’t want to compromise on storage size when capturing or archiving content.
Built with a durable and lightweight aluminum body, the CM185 is designed for everyday portability and long-lasting use. Its compact size (73.7mm x 21.5mm x 11.6mm) makes it easy to carry in a bag, backpack, or travel kit—so you can keep your workflow ready wherever you go. The aluminum construction also supports heat resistance during transfers, which can be beneficial when copying large files for extended periods.
The UGREEN CM185 is plug-and-play, requiring no additional drivers or software for use. Simply connect it to a USB-C or USB-A port and start transferring files. It is compatible with Windows, macOS, Linux, and Android, giving you flexibility across your devices—whether you’re working on a laptop, desktop, or mobile workflow. This universal compatibility makes it a practical everyday accessory for home use, office tasks, and travel.
When you purchase the UGREEN CM185 2-in-1 USB C OTG Card Reader, you get an authentic product backed by a 1-year official warranty. This warranty coverage provides added confidence for reliable daily use, especially if you frequently transfer large media files or rely on the reader for quick backups and data migration.
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