JisuLife Stroller Fan Life2 Stroller Octopus Fan High Speed Portable Desktop Clip Fan 1. Battery capacity: 4000mAh 2. Charging time: about 3-4h 3. Use time: about 2-11.5h 4. Wind speed: 5 speeds Inverter wind 5. Charging port: Type-C 6. Material: ABS, PC, Silicone 7. Size: about 40.3 x 12.8 x 12cm 8. Weight: about 585g Features: 1. PM2.5 air filtration, efficient air purification, effectively filter out dust impurities, allergens in the air 2. Bladeless turbocharged air ducts, with air multiplier technology, through the intake of pressurized air supply, effectively amplify the surrounding air to form a strong airflow, blowing out the wind naturally stable and more comfortable 3. High-speed energy-saving fan, strong power to bring large wind power 4. 5 gears of wind power, free to switch the appropriate gears 5. Intelligent AI chip protection, over-currentshort-circuitover-voltageoverheating protection 6. ABS material, safe and harmless 7. Replaceable filter element 8. 3 brackets, can be installed at will