Corn Electronics
Corn Electronics 3-in-1 USB-C USB-A Card Reader
Reads SD and TF cards via USB-C or USB-A on phones, tablets and computers
- InterfaceUSB-C / USB-A
- Reads SD, microSD and other cards quickly
- USB-C and USB-A connectors fit laptops and phones
- OTG support lets Android devices access files directly
- Works with Windows, macOS and Linux without drivers
- Compact design suits travel and daily use
Versatile card reader for USB-C and USB-A devices
This 3-in-1 reader accepts SD and microSD cards through both USB-C and USB-A connectors. It serves photographers, students and mobile workers who move files between laptops, tablets and OTG-capable Android phones. Plug-and-play operation requires no driver installation on Windows XP through 10, Mac OS or Linux.
Low thermal output and silent operation
The adapter draws power directly from the host port and has no moving parts, so it runs cool and silent during typical file transfers. Normal use produces negligible heat and no audible noise, making it suitable for quiet workspaces or on-the-go backups without draining device batteries quickly.
Replaces single-port readers and dongles
If you currently carry separate readers for USB-A and USB-C ports, this unit consolidates them into one compact device. The upgrade is worthwhile when you regularly switch between older laptops, newer USB-C notebooks and OTG-enabled phones such as the Samsung S8 through S10 series or Huawei P20 and P30 lines. It does not suit users who need CFexpress, UFS or proprietary card slots.
Highlights
- Reads SD, microSD and other cards quickly
- USB-C and USB-A connectors fit laptops and phones
- OTG support lets Android devices access files directly
- Works with Windows, macOS and Linux without drivers
- Compact design suits travel and daily use
Specifications
| Interface | USB-C / USB-A |
|---|
Questions about this item
How do I install the card reader on a Windows 10 laptop, and what step is often missed?
Plug the USB-A end into the laptop; the driver loads automatically, but you must wait for the "device ready" notification before inserting a card.
What maintenance will the reader need over time?
Keep the USB-C and USB-A ports free of dust; if a port becomes loose, the unit cannot be repaired and should be replaced.
What limit appears first during a long file transfer?
Sustained speed is capped by the USB 2.0 interface, so large batches will slow to that throughput after the initial burst.
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