Details:
-Adjustable Straps: One size fits all, designed for users with heights ranging from 150 cm to 190 cm, ensuring a comfortable and customizable fit.
-Multiple Air Vents: Strategically placed cooling vents direct airflow to key areas such as the neck, back, and underarms, where major veins are located, efficiently cooling your body.
-Ergonomic Back Design: Built for comfort, the ergonomic back panel ensures an ideal fit, keeping you cool and comfortable throughout your day.Removable
-Large-Capacity Battery: Equipped with a fast-charging, high-capacity battery that powers four adjustable fan speeds, lasting over 14 hours with two batteries. It's also compatible with commercial power banks for added flexibility.
-Breathable Mesh Back Panel: Features a cooling pad that releases cool air slowly, offering breathability and sweat absorption to keep your back cool and dry in any condition.
-Cooling Compartment: Maximize the cooling effect by adding frozen water bottles or ice packs for an even more refreshing experience.
-Storage Space: Includes a large-capacity storage pocket for carrying your essentials on the go.
Powerful Airflow: The built-in fan provides up to 72L/S airflow, ensuring an instant cooling experience whenever you need it.

Fit:
-Adjustable Straps: Customizable straps make the backpack suitable for a wide range of body types, accommodating heights from 150 cm to 190 cm.
-Chest Strap: A simple-to-adjust chest strap ensures that the air vents are snug against your body for optimal cooling performance.

1. Assemble the Fan and Battery:
-Insert the battery into the designated battery pocket and connect the power cable.
-Secure the fan by threading the cables through the marked straps and inserting the fan into the corresponding socket. Use the outer hand to hold the fan and the inner hand to tighten the fan's mounting ring.
2. Wear the Backpack:
-Adjust the shoulder straps and chest strap for a snug fit. Make sure the air vents align with your neck, back, and underarms for optimal cooling.
-Tighten the zipper to prevent air leakage and adjust the straps for comfort and maximum airflow.
3. Start the Cooling System:
-To activate the cooling, press the button located on the battery. Refer to the battery manual for detailed instructions on fan speed control.
-Ensure the collar of the backpack sits close to your neck with about 5 cm distance to allow optimal airflow distribution.
4. Using Cooling Modes:
-With Cooling Packs: Place up to 4 frozen cooling packs or 2 frozen water bottles into the cooling compartment for an enhanced cooling effect. It is recommended to use a low fan speed to feel a more noticeable cooling sensation for an extended period.
-Without Cooling Packs: You can use the backpack without additional cooling packs. For improved cooling, you can add water bottles inside the pack, especially when carrying heavy loads or using a safety harness. In this case, a higher fan speed is recommended.

Fabric:
Fabric Composition: Made with durable, breathable materials to ensure long-lasting performance and comfort.

Care Instructions: 
-Hand Wash Only: Gently hand wash the backpack with warm water to maintain its integrity.
-Use Mild Detergent: Only use neutral, mild detergent. Avoid harsh chemicals or bleach to protect the fabric.
-Air Dry: After washing, let the backpack air dry naturally. Avoid direct sunlight or heat to prevent damage to the material.
-Fan Maintenance: The fan can be easily washed with water. Please refer to the fan manual for detailed cleaning instructions.