USB Rechargeable Handheld Misting Fan Portable Hydration Electrical Fan 1. Material: plastic + electronic components 2. Noise: 36-45dB 3. Battery capacity: 500mAh 4. Charging time: 1-3 hours 5. Wind speed mode: four wind speeds 6. Weight: about 165 g 7. Size: about 17.5 x 8 x 5 cm Features: 1. 4-speed wind speed, a key to easily switch gears, one to four, gentle to strong, summer cooling intimate little helper 2. USB charging, convenient and quick, can be paired with an adapter, PC host, charging treasure, long-lasting life, small and portable 3. Summer cooling hydration, nano spray, long press 3 seconds to open the spray function, short press to close the spray function 4. Desktop spray fan, rapid cooling, ultra-quiet, so you can enjoy the comfort of a gentle wind in a quiet environment 5. Air circulation wind, long blowing without headache, uniform output, strong wind, cool and quiet, a key to spray, simple and lovely shape, a different summer experience 6. Simulation of natural wind, quiet noise reduction, light operation, quiet as the natural wind, large angle wind, hydrodynamic design, to create a comfortable and close to the natural wind 7. Warm tips: the first time you use it, you need to soak the sponge stick in water for 5 minutes before you can spray normally