Portable Fan USB Neck Hanging Silent Cooling Fan Portable Light Ventilador USB Chargeable Desktop Fans Cooler for Outdoor 1200-2400maHFeature:Innovative design of the ramp guide wind system, as if the natural wind, cool and comfortable, refusing to blow directly.Innovative turbo fan blade and wind hole design, can cut the air more efficiently, feel the cooler wind.Weight reduction design, light and no burden, ergonomic design, long wear not tired.Fan blade full package design, long hair and short hair are applicable, do not have to worry about sucking hair.Each group of turbines have a dual-channel air intake design, effectively improve the effect of wind gathering.Structure, unique hole design, to avoid the accumulation of fan blades.One charge, 8 hours of use, lasting life.With dazzling light effect, embellish the summer night.Specification:Color: White, Pink, Black, Green (Optional)Output power: 5WCharging voltage: 5VCharging time: about 3 hoursButton operation: 3-speed controlProduct size: 210x180x58mm/6.88x5.9x1.9inNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.