At PRIME SHOP ️, we present a miniature and highly functional USB fan for a refreshing experience anywhere! This mini electric fan is powered by charging, perfect for use in the office, in the dorm, or on the go. In addition, it has a night light function to provide soft lighting at night. Thanks to its portable design, you can easily carry it in your bag or pocket. Get a fresh and special atmosphere now with the PRIME SHOP Portable USB Fan️! Powerful and modern construction Intelligent control system and reliable performance Designed to form a very strong air current and long-lasting use USB battery power supply or international standard 18650 Brushless motor Advanced rechargeable PCB portable USB output Specifications Input Voltage:5V Input Voltage:0.5~1A Output Voltage:5~9V Output Power:4.5W Speed mode: 3 Speeds Charging time: 5 hours Working time: 2-4-8 hours Battery: 3.7V 2200mAh Li-ion battery Material: ABS Size: about 140*106*42mm Color:White Weight:327g