USB Rechargeable: Our mini hand fan is USB rechargeable and can be quickly charged to fully charge. It supports USB charging via USB charger, car charger or computer One-click design: This hand fan is equipped with just one button control. Briefly press the button to turn on the fan and press repeatedly to adjust the fan speed or turn off the fan. 3-speed adjustable: This mini fan has low/medium/ high speed. Set appropriate fan speeds by pressing the power switch repeatedly, strong wind. You can customize it freely according to your needs. Quiet airflow: Our hand fan without heavy noise, perfect for strollers, beds, office, home. It offers comfortable cooling anytime, anywhere and keeps you cool all summer long. Handheld/Stationary Fan: This portable mini fan can be used outdoors as a handheld fan and as a mini desk fan on a flat table in the office. There is a non-slip mat at the bottom of the base to keep it stable when placed on the table.