Easy to operate: Start / Wind speed is controlled by one integrated button. Mini and Portable: Super mini size, cute and convenient to carry anywhere and anytime. Mutifunctional: Comes with a removal pedestal, can be used as handheld fan or desk fan and mobile phone holder. Quiet and low noise: energy- saving and quiet. Charging: Comes with a USB cable, can be charged by USB charger. 3 adjustbale settings: Low-medium-high speed level. Adjust appropriate fan speed by pressing the power button repeatedly. Specification: Material: Plastic Input voltage: 5V Current: 0.5-1A Output voltage: 5-9V Power: 4.5W Speed: 4800 rpm. Battery Specification: 18650- 3.7 V https://bit.ly/2MAIhOn