Summer rechargeable USB retractable portable neck fan with 3-speed adjustable mute personal cooling fan for outdoor sports travelFeatures:1. The hose can be bent arbitrarily, convenient to fold and store2. Three-speed wind speed adjustment, strong wind3. Built-in large battery, strong endurance4. USB charging design, can be connected to a computer, mobile power, easy to chargeSpecification:Material: ABS, PP, circuit boardProduct size: 143x71x4 6mm / 5.63 x2.8x1.81inBattery capacity: 2000mAhInput: DC5V / AOutput power: 4.5WWind speed adjustment: three gearsUse time: 300 minutes for the first gear, 200 minutes for the second gear, 120 minutes for the third gearCharging time: 3 hoursColor: white, pink, green, bluenote:Prohibit charging to open it and use it. Prevent hair from entering the fan.Due to the difference of monitors and the influence of light, the actual color of the item may be slightly different from the color shown on the picture. Thank you!Due to manual measurement, please allow a measurement deviation of 1-3 cm.Package:1 X Fan1 X Charging cable