Rebluum RB-SD-64
Rebluum 128GB Micro SD Card Instruction Manual
Model: RB-SD-64
Introduction
Thank you for choosing the Rebluum 128GB Micro SD Card. This high-performance memory card is designed for reliable data storage in various compatible devices, including security cameras, action cameras, dash cameras, and tablets. It offers robust durability and efficient data transfer speeds for capturing and storing high-resolution photos and 4K UHD videos. This manual provides essential information for the proper setup, operation, and maintenance of your Micro SD card.
Product Features
- High Capacity: 128GB storage capacity, ideal for extended 4K video recording and large photo libraries. (Note: Actual user storage capacity may be less due to system files and formatting.)
- Fast Performance: Features a read speed of up to 90MB/s and a write speed of up to 25MB/s, enabling quick transfer of high-resolution images and smooth 4K UHD video recording.
- Broad Compatibility: Compatible with devices featuring a Micro SD card slot, such as security cameras, Fire Tablet 7, computers, CCTV systems, surveillance cameras, action cameras, and dash cameras.
- Extreme Durability: Engineered and tested to withstand harsh conditions, offering heat-resistance, waterproofing, shockproofing, X-ray proofing, and magnet-proofing.
- Versatile Use: Perfect for storing documents, capturing photos, and recording videos in various environments.
Setup
Inserting the Micro SD Card
To begin using your Rebluum 128GB Micro SD Card, it must be correctly inserted into a compatible device. The process may vary slightly depending on the device.
- Locate the SD Card Slot: Identify the Micro SD card slot on your device (e.g., security camera, tablet, action camera). This slot is often covered by a protective flap or located in a battery compartment.
- Orient the Card: Hold the Micro SD card with the gold contacts facing down or towards the device's interior, ensuring the correct orientation as indicated by a small icon near the slot.
- Insert the Card: Gently push the Micro SD card into the slot until it clicks into place. Do not force the card; if it does not insert easily, recheck its orientation.
- Secure the Slot: If your device has a protective flap, close it to protect the card from dust and moisture.

Image: A Rebluum security camera showing the Micro SD card slot with a card being inserted. This demonstrates how to install the memory card for local storage.
Formatting the Micro SD Card
For optimal performance and compatibility, it is recommended to format the Micro SD card using the device it will primarily be used with. Refer to your device's instruction manual for specific formatting procedures. Formatting will erase all data on the card, so ensure any important files are backed up beforehand.
Operating Instructions
Recording and Storing Data
Once the Micro SD card is inserted and formatted, your device should automatically detect it as a storage option. You can then proceed to record videos, capture photos, or save other data directly to the card.
- Video Recording: For security cameras and action cameras, the card will store recorded footage. The 128GB capacity allows for extended recording times, especially for 4K UHD video.
- Photo Storage: Digital cameras and smartphones can save high-resolution images directly to the card, expanding your device's photo storage capabilities.
- File Transfer: When connected to a computer, the card can be used to transfer files to and from the device, leveraging its fast read and write speeds.
Data Transfer Speeds
The Rebluum 128GB Micro SD Card offers a read speed of up to 90MB/s and a write speed of up to 25MB/s. These speeds are crucial for:
- Quick File Access: Rapidly access stored videos and photos.
- Smooth 4K Recording: Maintain consistent performance during high-bitrate 4K UHD video capture.
- Efficient Backups: Transfer large files to your computer or other storage devices in less time.
Maintenance
Proper maintenance ensures the longevity and reliability of your Micro SD card.
- Handle with Care: Avoid bending, dropping, or applying excessive force to the card. Store it in a protective case when not in use.
- Keep Contacts Clean: Do not touch the gold contacts on the card. If necessary, gently wipe them with a clean, dry, lint-free cloth.
- Environmental Protection: While the card is designed to be waterproof, shockproof, temperature-proof, X-ray proof, and magnet-proof, prolonged exposure to extreme conditions should be avoided. Ensure the card slot on your device is properly sealed if used in wet or dusty environments.
- Safe Removal: Always safely eject the Micro SD card from your device or computer before physically removing it to prevent data corruption.
- Regular Backups: Periodically back up important data from your Micro SD card to another storage medium (e.g., computer hard drive, cloud storage) to prevent data loss.
Troubleshooting
If you encounter issues with your Rebluum Micro SD card, try the following troubleshooting steps:
- Card Not Recognized:
- Ensure the card is fully and correctly inserted into the device's slot.
- Try inserting the card into a different compatible device or a card reader to determine if the issue is with the card or the original device.
- Check if the card needs formatting (refer to your device's manual).
- Clean the gold contacts on the card with a soft, dry cloth.
- Slow Performance:
- Ensure your device supports the card's speed class.
- The card may be nearly full. Transfer some data to another storage device to free up space.
- Reformat the card (after backing up data) to restore optimal performance.
- Data Corruption or Errors:
- Always safely eject the card before removal.
- Avoid interrupting data transfer processes.
- If data corruption persists, the card may be faulty.
- Device Compatibility: Verify that your device explicitly supports Micro SD cards of 128GB capacity. Some older devices may have lower capacity limits.
If these steps do not resolve the issue, please contact Rebluum customer support or refer to your device's manufacturer for further assistance.
Specifications

Image: Front view of the Rebluum 128GB Micro SD card.
| Attribute | Detail |
|---|---|
| Brand | Rebluum |
| Model Name | RB-SD-64 |
| Flash Memory Type | Micro SD Card |
| Memory Storage Capacity | 128 GB |
| Compatible Devices | Cameras, Tablets, Security Cameras, Action Cameras, Dash Cameras |
| Read Speed | Up to 90 MB/s |
| Write Speed | Up to 25 MB/s (for 4K UHD video) |
| Hardware Interface | MicroSD |
| Durability Features | X-ray proof, Magnet proof, Temperature proof, Shockproof, Waterproof |
Support
For any questions, technical assistance, or warranty information regarding your Rebluum 128GB Micro SD Card, please refer to the official Rebluum website or contact their customer support directly. Please note that the Amazon 30-day free return policy is a retail return policy and not a manufacturer's warranty.
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