Handheld High-speed Fan USB Charging Outdoor Portable Speed Regulation Small Electric Fan Features: High-speed handheld fan, turbocharged wind guidance system with strong wind power, wind speed of 10m/s, 15000 ice , long , intelligent digital display Low energy consumption, low noise. 8 hours long battery life, 210 g box milk weight, 20 w fast charge, large capacity battery, 15 minutes full charge, 8 hours long battery life. Small and portable, ideal for office and travel assistance in summer Built-in chip, used for high temperature, overcurrent, high voltage, short circuit protection