Rechargeable Portable 2400MAh Battery，Stepless Control Review

【Stepless Speed Control】Fan has a stepless speed control function, which can be adjusted to any comfortable wind speed according to your preferences. Rotate clockwise to turn on the fan, and the wind force gradually increases. Rotate counterclockwise to decrease the wind force, and turn off the fan. 【Rechargeable Battery Fan】Our rechargeable fan is built-in 2400mAH battery,4.5 hours for full charge,3.5-10 working hours depends on different speed,convenient to use without worrying about cables.Compatible with power bank,power adapter,laptop,car charger,etc. 【Low Noise】Very quiet, almost no sound can be heard, especially the breeze. Even at full speed, there is only a slight buzzing sound that will not wake you up at night or disturb anyone in the office or classroom. 【Super Strong Wind】Three blades, using a booster motor, brushless DC high-speed rotation. The desktop fan can rotate 60 degrees and can be adjusted to any comfortable angle according to your preferences. 【Use it Anytime Anywhere: 】The fan has a leather handle for easy portability, light weight and portable size (8.2*6.1*1.9 inches) making it ideal for home, office, gym, camping, travel, etc.