Powerful CoolingG10 high-speed handheld fan features turbo bladeless technology for intense cooling performance. 5-Speed ControlAdjustable fan speeds from 6000rpm to 10000rpm, providing customizable airflow up to 3.77m/s. Dual FunctionalityIt is a cooling fan with a cold compress function for enhanced cooling effect. USB-C ChargingFast 3.2-hour charging time with 5V input and 1.5A charging current, compatible with USB-C to USB-C chargers. Portable DesignFoldable, desktop-friendly structure makes it perfect for home, office, or travel use. Specifications: Product model: WT-G10 Battery capacity: 3600mAh 3.7V Input voltage: DC 5V Charging current: 1.5A Fan working current: 0.27A for level 1, 0.38A for level 2, 0.52A for level 3, 0.61A for level 4, 0.81A for level 5 Fan working power: 0.99W for level 1, 1.40W for level 2, 1.92W for level 3, 2.25W for level 4, 2.99W for level 5 Cooling power: about 3.6W Battery use time Fan: 13h, 9.1h, 5.7h, 4.1h Fan + cooling sheet: 2.7h, 2.5h, 2.1h, 1.8h, 1.7h Charging time: 3.2h Standby current: below 10uA Motor speed: 1st gear 6000rpm, 2nd gear 7000rpm, 3rd gear 8000rpm, 3rd gear 9000rpm, 3rd gear 10000rpm Wind speed: 1st gear 2.18m/s, 2nd gear 2.71m/s, 3rd gear 3.24m/s, 4th gear 3.42m/s, 5th gear 3.77m/s Noise: 1st gear 50db, 2nd gear 53db, 3rd gear 57db, 4th gear 60db, 5th gear 62db Package included: 1 x Fan 1 x Charging Cable 1 x English Manual