Dual USB-C & USB-A Interface
The standout feature is its
2-in-1 input design, featuring both a USB-C and a USB-A connector on a single short cable
. This means you can switch between modern USB-C devices (like MacBooks, iPads, and Android phones) and older USB-A computers without needing a separate adapter
.
Multi-Card Slot Reading
It provides dedicated slots for
SD and
MicroSD (TF) cards, allowing you to read both simultaneously
. This is ideal for photographers or anyone needing to offload footage from cameras, drones, or dashcams
. It supports high-capacity cards up to
2TB and uses
USB 3.0 for data transfer, with read speeds reaching up to
170 MB/s under optimal conditions
.
Built-in USB 3.0 Hub
Beyond just reading cards, the CM812 functions as a mini USB hub with
two additional USB-A 3.0 ports . This lets you connect peripherals like a keyboard, mouse, flash drive, or external hard disk directly to the reader, effectively expanding your device's connectivity options
.
Broad Compatibility & OTG Support
The reader is
plug-and-play, requiring no drivers or third-party apps
. It is compatible with
Windows, macOS, Linux, Chrome OS, and Android, and supports OTG (On-The-Go) functionality for direct file access on compatible smartphones and tablets
. The 20 cm built-in cable helps avoid blocking adjacent ports on your device
.
Compact & Protective Design
It features a
compact ABS plastic shell that is lightweight and portable, making it a convenient travel accessory
. The internal chips are equipped with
built-in fuse protection to guard against overcurrent and short circuits, helping to protect both the reader and your valuable memory cards
.
