Strong Wind: Using a 30-degree angled blade to evenly cut the air flow， enhance the sense of wind and make people feel more cool. It can be used as a desktop fan or handheld fan. You can drop some perfume or premium oil in the back lid to enjoy the strong wind with your favorite fragrance. Convenient Charging: Compatible with all USB output device. The fan works with USB charger laptop computer， power bank and other USB-enabled devices. You can just plug it into a computer or a plug with a USB socket to recharge it. Perfect for on the go cooling. 3 Modes of wind speeds: We have 3 adjustable speeds settings: low-medium-high speed level. Choose and adjust the wind speed you preferred. Just adjust to your appropriate fan speed by pressing the power button repeatedly. Lower Noise: Using the brushless motor (plastic blade to lower the noise) industrial grade fans. No noise to disturb you while you work or your kids while they sleep， this USB fan can be used when you are studying， sleeping and doing other activities require silence. Mini Size: This little tiny fan is much more powerful， it will blow you away. You can take it anywhere and it's small enough to fit in a purse. Perfect for any occasion like camping， picnic， fishing， shopping， barbecue， party. The built-in power bank is a big bonus when your mobile phone is in low power.