1. Power on/off - Long the power button to turn the phone on and off. 2. Start mode/gear switching - Manual mode: long the start button, the device start to blow out air, release the start button to stop (third gear state); Automatic mode: Click the start button to turn on the , click again to switch to the second gear, and click again to shut down. 3. Charging - The product supports fast charging charger when charging. It is prohibited to use the product during charging. The indicator light is red when charging and green when fully . 4. Indicator light - The speed of the marquee is synchronized with the gear position. When the marquee flashes, it means that the battery is low and needs to be . 5. Safe work - This product adopts low temperature working mode and not overheat. Product Name:Super Turbo Fan Product model:-04 Battery capacity:2600mAh three power cells(series connection) Charging time:6-7 hours Battery voltage:9.8-12.6V Rated maximum power:140W Host weight:393g Working