One-key Operation: The portable handheld fan is easy to use and controls all functions with one key. The 2-speed adjustable fan speed generates more powerful airflow than other handheld fans, keeping you cool in the summer heat. Anti-slip bottom design ensures stability on desktop surfaces. Long Working Time & Rechargeable: After testing, the portable handheld fan can operate continuously for approximately 6 to 8 hours, depending on the speed setting. The mini personal fan supports USB charging and can be fully charged within 2 to 3 hours. No battery replacement required. Safe Blade Design: This personal fan features soft and durable TPE fan blades for enhanced safety. If contact occurs with the spinning blades, they stop automatically to reduce risk. (Note: Keep the fan away from hair.) Emergency Charging Function: Equipped with a 5V/1A USB output port, the fan can serve as a power source to charge a phone in emergency situations. What You Get: 1x mini handheld fan, measuring 4.25 x 1.45 x 1.45 inches. Compact design allows easy storage in pockets or bags, making it convenient for travel, outdoor activities, camping, home, or office use. The product includes a 90-day money-back guarantee or one free replacement within 60 days if the fan is defective.