Large-area circulating air supply, allowing you to enjoy the coolness at any angle. Like natural wind, it is cool and quiet, and you can find coolness that suits your heart in different situations. The powerful motor drives the fan blades, and through the well-designed curved front net, the wind can be gathered well and bring you a quiet midsummer. The desktop fan can deliver strong wind power, which facilitates air circulation when starting the air conditioning, cooling and heating, and maintains the indoor constant temperature. It can be used in different seasons to keep it refreshing and refreshing. Features: Product name: Seven-inch striped fan Material quality: ABS/silicone/electronic components Battery capacity: 2000m - Ah Product size: 196*117*204mm Color box size: 211x126x209mm Single net weight: 374/564g Use time: Low-end: 4.5H Middle-end: 2H High-end: 1H Charging time: about 3 hours Fan speed: low-end: 2.54m/s; mid-range: 3.42m/s; high-end: 3.94m/s Motor speed: Low gear: 1570rpm; Middle gear: 2050rpm; High gear: 2450rpm Fan noise: low-end: 30d - B; mid-range: 38d - B; high-end: 46d - B Input: DC5V Charging current: 1A Working current: 0.4A-1.4A Power: 2W-7W