Compact & Portable & LightweightJ portable USB fan is only 150g (21 x 11 x 4cm) fits perfectly in your handbag with its palm size; Since no wiring is required, to fit comfortably in the hand, it is ideal for travel, hiking, climbing, camping, sports, especially for summer travel or outdoor sportsWind Loud & 3 Speed LevelsPortable mini USB fan has 3 speed levels (low/medium/high mode); Simply press the front button to turn the fan on and off and to increase the wind speed; The hand fan has 4 fan blades with brushless DC motor which makes it durable and the wind can be felt 3 meters awaySuper Quiet ModeWe have improved the bearings of the old fans, reinforced the blades so that their center of gravity either on axis, ensure that the volume of the fan is less than 40.0dB, even with the highest speed setting, it can be used in the bedroom or office, without worrying about affecting the others, release sensitive earsPortable USB Rechargeable FanHand-held blower extends battery life by 30% (3-10 hours), you can use up to 10 hours when fully charged; Fast charging portable mini fan, can be recharged up to 500 times with power banks, laptop chargers, desktop via USB port, enjoy cool wind wherever you goRemovable Base It is not only hand fan but also table fan; You can use desk fan in your office or carry portable mini fan to keep your refreshments on the go