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⚡ Engineering Highlights at a Glance:

• 3000 RPM Brushless Motor: High-speed motor delivers powerful airflow at 2.87 m/s while maintaining efficiency and durability.
• 120 Adjustable Speed Levels: Fine-tune airflow from a gentle breeze to maximum cooling with precise control.
• 3600mAh Rechargeable Battery: Up to 3 hours of cordless operation on a full charge.
• USB-C Charging: Modern, reversible connector for convenient charging from laptops, power banks, or wall adapters.
• Quiet Operation: Noise level of ≤41 dB for use in offices, bedrooms, or shared spaces without disruption.
• Compact and Portable: Measures 176.8 x 90 x 176.8mm and weighs 531g, easy to move between rooms or pack for travel.

Brushless Motor Advantages

The PAC4 uses a brushless motor, which offers several advantages over traditional brushed motors. Brushless motors have fewer mechanical wear points, resulting in longer lifespan and quieter operation. They are also more energy-efficient, which contributes to the extended battery life. The 3000 RPM maximum speed delivers strong airflow at 2.87 m/s for effective personal cooling.

🔋 Battery and Charging

The built-in 3600mAh Li-ion battery provides up to 3 hours of runtime. Charging via USB-C takes approximately 3 hours to reach full capacity. The power rating is 5V 1A, meaning it can be charged from standard USB ports on laptops, power banks, or wall adapters. For longest battery life, avoid leaving the device fully discharged for extended periods.

🌬️ Speed Control and Noise

With 120 adjustable speed levels, you can precisely match airflow to your comfort needs. Lower speeds operate more quietly, making them suitable for sleeping or focused work. Higher speeds deliver maximum cooling but may produce more audible noise. The maximum noise level is ≤41 dB, which is comparable to a quiet library or moderate rainfall.

For the longest battery life, charge the PAC4 fully before first use and avoid completely draining the battery regularly. Use the 120 speed levels to find your comfort zone; lower settings are quieter and extend runtime, while higher settings deliver maximum cooling. When charging, use a standard 5V 1A USB adapter or a laptop USB port. The USB-C interface means you can use the same cable as many modern smartphones and devices. For travel, ensure the device is powered off and consider a protective pouch to prevent dust accumulation in the fan grille. Clean the fan blades and housing periodically with a dry cloth or soft brush to maintain airflow efficiency.