Introduction
This manual provides comprehensive instructions for the Warrky 7-in-1 Dual Connector USB 3.0/USB-C SD Card Reader Hub (Model: WARRKY-DT-CR03). Please read this manual thoroughly before using the device to ensure proper operation and to maximize its functionality. This device is designed for efficient data transfer and expanded connectivity for various memory cards and USB devices.
Product Features
- 7-in-1 Functionality: Features 4 standard card slots (SD, Micro SD/TF, CF, MS) and 3 additional USB 3.0 ports for simultaneous read/write operations.
- Dual Connector Design: Equipped with both USB 3.0 (Type-A) and gold-plated USB-C 3.1 connectors for broad device compatibility.
- High-Speed Data Transfer: Supports SuperSpeed up to 5Gbps, which is 10 times faster than USB 2.0 (480 Mbps), enabling quick transfer of large files.
- Large Capacity Support: Capable of reading memory cards up to 2TB.
- Durable Construction: Features a 2.5ft long braided nylon cable for enhanced durability and a non-slip design on the USB shell.
- LED Indicators: Three color LED lights provide clear working status (Red for powered, Blue for cards recognized, Purple for transferring files).
- Plug & Play: No drivers required for most operating systems.

Setup Instructions
- Connect the Hub: Plug the USB 3.0 (Type-A) or USB-C 3.1 connector of the Warrky card reader into an available port on your computer, laptop, tablet, or compatible smartphone.
- Driver Installation: The device is plug-and-play and typically does not require any additional drivers for most operating systems (Windows, macOS, Linux, Chrome OS, Android). Your device should automatically recognize the card reader.
- LED Indicator: Once connected, the LED light on the hub will illuminate red, indicating it is powered.

Operating Instructions
Inserting Memory Cards:
- SD/MS Cards: Insert with the label side facing down into the respective slots.
- Micro SD/CF Cards: Insert with the label side facing up into the respective slots.
- Ensure cards are fully inserted into their designated slots. The LED indicator will turn blue when cards are recognized.
Data Transfer:
- Once recognized, the memory card will appear as a removable drive on your computer or device.
- Open the drive to access your files. You can drag and drop files between the memory card and your device, or between different memory cards inserted into the hub.
- The LED indicator will turn purple during data transfer, indicating active data flow.
- For optimal performance, ensure your device's USB port supports USB 3.0 or higher.
Using USB 3.0 Ports:
- The three USB 3.0 ports can be used to connect other USB devices such as flash drives, mice, keyboards, or external hard drives.
- These ports also support high-speed data transfer up to 5Gbps.


Compatibility
The Warrky 7-in-1 Card Reader Hub offers broad compatibility with various devices and operating systems:
- Operating Systems: Windows, macOS, Linux, Chrome OS, Android.
- Devices: Laptops, personal computers, tablets, cameras, drones, security cameras, DSLRs, trail cameras, action cameras, dash cameras, and smartphones (including iPhone 15/16/17 series, MacBook Pro/Air, iPad, Samsung, and other Android devices with USB-C or USB-A ports).
- Memory Card Types: SD/SDXC/SDHC/Micro SD(TF)/Micro SDXC/Micro SDHC/UHS-I/MMC/Compact Flash/Memory Stick.
Note: iPhone 17 Air/16 Air/e models do not support video output function through this device.

Maintenance
- Keep the device clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the device yourself, as this will void the warranty.
- Store the device in a safe place when not in use, ideally using the included Velcro cable tie to keep the cable organized.
Troubleshooting
Device Not Recognized:
- Ensure the card reader is securely plugged into a functioning USB port on your host device.
- Try connecting the card reader to a different USB port or a different host device to rule out port or device issues.
- Verify that your operating system is up to date.
Memory Card Not Reading:
- Ensure the memory card is inserted correctly into its designated slot. Refer to the "Inserting Memory Cards" section for proper orientation.
- Check if the memory card is damaged or corrupted. Try using a different memory card to isolate the issue.
- Ensure the memory card is not write-protected (if applicable).
Slow Data Transfer:
- Confirm that the card reader is connected to a USB 3.0 or USB-C 3.1 port on your host device. Connecting to a USB 2.0 port will result in slower speeds.
- The actual transfer speed may vary depending on the memory card's speed class and the host device's capabilities.
- Avoid running multiple data-intensive applications during transfer.
Specifications
| Model Number | WARRKY-DT-CR03 |
| Dimensions | 3.3 x 2.1 x 0.58 inches (approximate) |
| Item Weight | 3.2 ounces |
| Connectivity Technology | USB 3.0 (Type-A), USB-C 3.1 |
| Data Transfer Speed | Up to 5Gbps (USB 3.0/3.1) |
| Supported Media Types | CompactFlash, MMC, Memory Stick, SD Card, SDHC, SDXC, UHS-I, microSD, microSDHC, microSDXC |
| Max Capacity Support | Up to 2TB |
| Cable Length | 2.5 feet (Nylon Braided) |
Warranty and Support
Warrky is committed to providing high-quality products and customer satisfaction. For any inquiries, technical support, or warranty claims, please contact Warrky customer support. Refer to the product packaging or the official Warrky website for the most up-to-date contact information.
Warrky strives for aesthetic design, wonderful quality, frustration-free packaging, and easy-to-reach customer support. We are dedicated to providing the best solutions to connect your work and life.




