Feature:1. Three-stage wind speed regulation: Three-stage wind speed regulation, flexible and strong switch at will, bringing nature home.2. Mobile phone battery charger function: built-in 2000MAH lithium battery, you can use the fan to charge your mobile phone in case of emergency.3. Silent motor: The fan has low noise and strong wind, which does not disturb you and your family, and does not affect learning, work, sleep, etc.4. Waist hanging design: the clip is tailored for the waist, and the fan can be hung on the waist, and the hands can also be liberated. Digital display design, clear gear and power5. Cool color matching: The fan adopts natural cool color matching, which makes you feel cool when you see the fan in hot summer.Specification:Origin: Mainland ChinaColor: Green,Orange(optional)Size: 11.6x8.3x4.2cm/4.57x3.27x1.65inRated input: DC5.0V/1.0ARated power: 5WBattery capacity: 2000 mACharging time: about 2 hoursProduct material: host: ABS/silica gel/electronic componentsBattery service time: about 8 hours for the first air volume, about 5 hours for the second air volume, and about 3 hours for the third fanUsage: HomeRotation Way: Without RotationNote: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.