Product color: White / Green / Pink Product size (mm): 83 * 123 * 43 Color box size (mm): 88 * 45 * 150 Product weight (bare): 135g Product weight (including package): 190g Product material: ABS / electronic components Executive standard: gb4706.1-2005 Accessory details: Fan host * 1, charging cable * 1, Chinese and English manual * 1, lanyard * 1 Product selling points: 1, multi scene use, can hang neck, can hang waist, can put 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 air 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 Ma Battery service time: about 10 hours for the first gear, about 4.5 hours for the second gear, about 2.5 hours for the third gear fan, charging time: about 2 hours Product operation instructions: fan function: press the first switch to start the first air volume, press the second switch to start the second air volume, press the third switch to start the third air volume, press the fourth switch to turn off the power. In this cycle, the display screen functions: three air volume gears display "01", "02" and "03" respectively; the remaining power shows "01-100%"; the low power shows "Lo"; the full power shows "100%"