Material: ABS PP electronic components Product Size: 105*42 * 225MM Color box size: 110*54 * 230MM Product Packaging: Color box Carton size: 57.5*44.5 * 58CM Product Weight: 140g Color: Glacier White/cherry blossom powder/Sky Blue/Rose Red/navy blue Battery Voltage: 3.7V Battery capacity: 1200mA(18650 lithium battery) Output power: 1.3-4.5W Charging time: about 3 hours Usage time: about 3-8 hours Implementation Standard: GB4706.27-2008 Input voltage/current: DC5V/0.8A Product standard: one N10 fan body, one charging cable, one Chinese and English Manual, one 18650 battery, and one lanyard Handheld Mini Fan USB Charging Portable Fan 1.【 Longer Working Hours, Battery Operated & USB Powered 】Hurricane season good helper. It can also be used via USB port from your PC/computer/USB charger or other USB devices.    2.it is decent and quiet which ensure the peaceful flow of air, and enough for personal use.The Viniper small desk fan has a strong and stable wind that keeps you cool. not disturbing your rest and work.    3.【Safe & Portable】Used high-quality ABS and Brushless copper motor. It has stable performance and long operating life. And It is trouble-free to put this small and the exquisite battery usb fan into your bag and carry it for outdoor events. Also, it can be used for indoor use. Ideal suitable for office, family, dormitory, library use and etc.