3-speed selection and strong windThe handheld fan has 3 speeds, namely soft wind/medium wind/strong wind. You can press the power button repeatedly to adjust the appropriate wind speed. It has 4 fan blades and a 30-degree tilted housing to produce strong and soft winds, as well as a wider air supply surface. The brushless motor makes the fan durable. The efficient power supply and conversion circuit can minimize losses to save energy and protect the environment. 2 in 1 Multiple Operation ModesThis USB fan has 2 operation modes. Rechargeable battery power supply mode (removable, replaceable rechargeable battery). Multiple USB interfaces/plug and play modes, can be charged by USB charger/laptop/power bank/car power bank and other USB-enabled devices. 2 in 1 multiple operation modes, you can choose according to your habits and needs. Ultra-low QuietThis electric fan adopts ultra-quiet treatment, using a copper brushless motor to reduce noise, and the ultra-low quiet air supply mode can be as low as 25 decibels. The soft wind and silent mode are suitable for the elderly and children to use when they sleep, so that they can feel good. Personalized and portable, lightweight designThis personal fan is stylish and vibrant, and will show your uniqueness. The portable fan weighs only 155 grams. Lightweight and portable design, you will not feel burdened when you go out (hold it in your hand or put it in your bag or hang it). It is equipped with a detachable and non-slip base and has an eyelet for hanging. It can be used as a desktop/desk fan, which is convenient and quick to use on the table when you are playing computer or working. At the same time, you can also free your hands.