Introduction
This manual provides instructions for the TV xStream 3-in-1 USB Card Reader, designed for convenient data transfer between memory cards and various devices. This device supports USB 2.0, USB-C, and Micro USB connections, offering broad compatibility with computers, smartphones, and tablets that support OTG (On-The-Go) functionality.
Key Features
- Versatile Connectivity: Features USB-A, Micro USB, and USB-C connectors for wide device compatibility.
- Broad Card Support: Reads SD, Micro SD, SDXC, SDHC, Micro SDHC, Micro SDXC, MMC, and RS-MMC memory cards.
- Plug & Play: No drivers or additional software required for most operating systems.
- OTG Functionality: Enables direct data transfer with compatible Android smartphones and tablets.
- Compact Design: Lightweight and portable for on-the-go use.
Compatibility
Supported Devices:
- Computers (PC or MacBook) with USB-A or USB-C ports.
- Android Smartphones & Tablets with OTG (On-The-Go) function and Micro USB or USB-C ports.
- Compatible with Windows 10, 8, 7, Vista, XP, MAC OS 10.4.6 and above, and Android operating systems.
Supported Memory Cards:
- SDXC, SDHC, SD, MMC, RS-MMC
- Micro SD, TF, Micro SDXC, Micro SDHC, UHS-I
Note: SD card is not included with the reader.
Setup Instructions
- Insert Memory Card: Gently insert your SD or Micro SD card into the corresponding slot on the card reader. Ensure the card is inserted correctly with the contacts facing down.
- Connect to Device:
- For Computers (USB-A): Plug the standard USB-A connector into an available USB port on your computer.
- For Newer Computers/Smartphones (USB-C): Plug the USB-C connector into an available USB-C port on your device.
- For Older Smartphones/Tablets (Micro USB): Plug the Micro USB connector into your device's Micro USB port. Ensure your device supports OTG functionality.
- Device Recognition: Your device should automatically detect the card reader and the inserted memory card. A new drive letter or storage device icon will appear in your file explorer or notification panel.

Image: The TV xStream 3-in-1 USB Card Reader showing its three distinct connectors: USB-A, Micro USB, and USB-C, highlighting its versatile connectivity options.
Operating Instructions
Data Transfer:
- Once the card reader is recognized, open your device's file manager (e.g., File Explorer on Windows, Finder on macOS, or a file manager app on Android).
- Locate the newly mounted drive corresponding to your memory card.
- You can now drag and drop files between your device's internal storage or other drives and the memory card.
- For Android devices with OTG, you can directly access photos, videos, and documents on the card for viewing or sharing.
Safe Removal:
Always safely eject the card reader from your operating system before physically disconnecting it to prevent data corruption. On Windows, use the "Safely Remove Hardware" icon in the taskbar. On macOS, drag the drive icon to the Trash. On Android, unmount the storage device from the notification panel or settings.

Image: The TV xStream 3-in-1 USB Card Reader displayed alongside various compatible memory card types, including Micro SD, SD, MMC, RS-MMC, SDHC, and SDXC, illustrating its broad card support.
Maintenance
- Keep the card reader clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, moisture, or direct sunlight.
- Do not force memory cards or connectors into the slots, as this can cause damage.
- Store the card reader in a protective case when not in use to prevent physical damage.
Troubleshooting
- Issue: Card reader not recognized by device.
- Ensure the card reader is fully inserted into the USB/Micro USB/USB-C port.
- Try connecting to a different port on your device.
- Verify that your smartphone/tablet supports OTG functionality if using Micro USB or USB-C.
- Restart your computer or device.
- Check if the memory card is properly inserted into the card reader.
- Issue: Cannot access files on the memory card.
- Ensure the memory card is not damaged or corrupted. Try it in another device if possible.
- Check if the memory card is formatted correctly for your operating system (e.g., FAT32, exFAT, NTFS).
- Verify that only one card is inserted at a time if experiencing issues with both slots occupied.
- Issue: Slow data transfer speeds.
- Ensure you are using a USB 2.0 port for optimal speeds (the reader is USB 2.0).
- The speed of data transfer also depends on the speed class of your memory card.
- Avoid transferring many small files simultaneously, as this can reduce overall speed.
Specifications
| Brand | TV xStream |
| Model Number | B07NJ8XG13 |
| Connectivity Technology | USB Type A, Micro USB, USB Type C |
| Supported Media Types | SD Card, MicroSD, SDHC, SDXC, MicroSDHC, MicroSDXC, MMC, RS-MMC, UHS-I |
| Operating System Compatibility | Windows, Android, MAC OS 10.4.6 and above |
| Special Feature | Plug & Play, OTG Functionality |
| Item Weight | 1.58 ounces (approx. 45 grams) |
| Package Dimensions | 5.9 x 2.3 x 0.7 inches (approx. 15 x 5.8 x 1.8 cm) |
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact TV xStream customer service directly. Contact details are typically available on the manufacturer's official website or through your point of purchase.