Introduction
This manual provides instructions for the proper use, setup, and maintenance of your CJ TECH NASA Laptop Backpack. Designed for versatility and durability, this backpack features a dedicated laptop compartment, a USB charging port, and water-resistant materials. Please read this manual thoroughly to ensure optimal performance and longevity of your product.
Product Features
- Adjustable Shoulder Straps: For comfortable and customizable fit.
- Water-Resistant Material: Constructed from 300D Oxford Cloth and polyester to protect contents from moisture.
- Dedicated Laptop Compartment: Securely holds laptops up to 15 inches.
- Integrated USB Charging Port: Allows for convenient charging of devices on the go (power bank not included).
- Multiple Storage Compartments: Includes a front exterior pocket, side pockets, and various interior pockets for organization.
- Top Handle: For easy carrying.
- Dimensions: Approximately 15.7 inches (L) x 11.8 inches (W) x 4.7 inches (H).

Image: Overview of the CJ TECH NASA Laptop Backpack highlighting its adjustable shoulder straps, water resistance, multiple pockets, top handle, dimensions, and material.
Setup
- Unpack the Backpack: Remove all packaging materials and inspect the backpack for any signs of damage.
- Adjust Shoulder Straps: Loosen or tighten the shoulder straps to achieve a comfortable fit. The backpack should sit snugly against your back without sagging.
- Prepare USB Charging Port:
- Locate the internal USB cable inside the backpack.
- Connect your personal power bank (not included) to the internal USB cable.
- The external USB port on the side of the backpack is now ready to connect your device's charging cable.

Image: Instructions for using the integrated USB charging port, illustrating the connection from an internal power bank to an external device.
Operating Instructions
Using the Laptop Compartment
The backpack features a padded compartment designed to protect your laptop. This compartment can accommodate laptops up to 15 inches in size.
- Open the main zipper of the backpack.
- Carefully slide your laptop into the dedicated padded sleeve.
- Ensure the laptop is fully seated and the compartment zipper is closed securely.

Image: The backpack's main compartment open, demonstrating how a 15-inch laptop fits into the padded sleeve.
Organizing Contents
Utilize the various pockets and compartments to organize your belongings efficiently.
- Main Compartment: For larger items like books, notebooks, or clothing.
- Front Exterior Pocket: Ideal for quick-access items such as keys, wallet, or small documents.
- Side Pockets: Suitable for water bottles, umbrellas, or other items you need to grab easily.
- Interior Pockets: Use for pens, chargers, or other small accessories to keep them secure and organized.

Image: Close-up view illustrating the multiple interior compartments, adjustable shoulder straps, and top handle for versatile use.
Carrying the Backpack
- Ensure both shoulder straps are adjusted evenly to distribute weight across your shoulders.
- For heavy loads, use both straps to prevent strain.
- The top handle can be used for short-distance carrying or hanging the backpack.

Image: A person wearing the backpack, showcasing its ergonomic design and how it sits on the back.
Maintenance
- Cleaning:
- For minor dirt, wipe the exterior with a damp cloth and mild soap.
- Do not machine wash or tumble dry.
- Air dry completely before storing or reusing.
- Storage: Store the backpack in a cool, dry place away from direct sunlight when not in use.
- Water Resistance: While the backpack is water-resistant, it is not fully waterproof. Avoid prolonged exposure to heavy rain or submerging the backpack in water.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| USB port not charging device. | Power bank not connected or depleted. Faulty cable. | Ensure power bank is charged and correctly connected to the internal USB cable. Try a different charging cable for your device. |
| Zipper sticking or difficult to close. | Fabric caught in zipper. Zipper teeth misaligned. | Gently pull fabric away from the zipper. Apply a small amount of zipper lubricant (e.g., wax) if needed. Do not force the zipper. |
| Backpack feels uncomfortable. | Straps incorrectly adjusted. Overloaded backpack. | Adjust shoulder straps for even weight distribution. Reduce the amount of items carried if the backpack is too heavy. |
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.72 x 11.81 x 15.75 inches (L x W x H) |
| Item Weight | 1.1 pounds |
| Department | Unisex-adult |
| Manufacturer | CJ Tech |
| ASIN | B0FQG9LPMW |
| Item Model Number | 71736-NA |
| Capacity Total | 20 Liters |
Warranty and Support
For warranty information or customer support, please refer to the contact details provided with your purchase or visit the official CJ TECH website. Keep your proof of purchase for warranty claims.





