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Product parameters: Product number: DQ203 Product color: white/green/pink Product size: 83*123*43 (MM) Accessory details: fan host *1, charging cable *1, Chinese and English manual *1, lanyard *1 Product selling point: 1, multi-scene use, can be hung neck, can be hung waist, can be placed on the desktop; 2, large capacity battery, up to 10 hours of battery life; 3, high quality silent brushless motor 4, 3 adjustable air volume; 5, wide Angle outlet, strong wind; 6, simple appearance fresh color matching; Product parameters: Rated input: DC5.0V/1.0A Working current: 0.3-1.2A Rated power: 1.2-5W Battery capacity: 2000 mah Battery life: 1 speed air volume of about 10 hours, 2 speed air volume of about 4.5 hours, 3 speed fan about 2.5 hours Charging time: about 2 hours Product operation instructions: Fan function: Press the first switch to start the first gear, press the second switch to start the second gear, press the third switch to start the third gear, press the fourth switch to turn off the power supply. This cycle display function: the three air volume gears display "01", "02" and "03" respectively; Remaining power display "01-100%"; Low power display "LO"; Fully charged display "100%"