Portable Double-head USB Rechargeable Couple Fan Foldable 180

Features: Double-fan double-motor design provides stronger wind. Both sides can be rotated 180, can be rotated 90 backwards as well. One button for 3 wind speed levels setting and switch control. With LED indicator to clearly show the working and charging state. Built-in a 18650 lithium battery, USB rechargeable, easily to charge by all ordinary USB interfaces: computer, mobile charger, etc. A transparent base is included to ensure the fan stands firmly on desk. 3 Levels of Wind Speed Adjustable: 1. Long press the button to switch on(double fan, low grade). 2. Then: First click: mid-grade; Second click: high-grade; Third click: switch off. Switch Control: 1. Quickly double-click the button to turn on the left fan(default high grade) 2. Second quickly double-click the button to turn on the right fan(default high grade) turn off the left fan simultaneously. 3. Third quickly double-click the button to turn off.