[DETAIL] Product specifications: Product Name: Cooling Fan Product model: BDL-901E Input voltage: DC5V Water tank capacity: 500ML Product size: 153 * 272mm Execution standard: GB4706.1 GB4706.27 Product instructions�� USB plug in use, can be used through the phone charging head USB input, computer USB input, mobile power USB input, both can be universal. 1. Fan gear control: Short press the power button to turn on the fan. The default wind speed display is 1st gear, then press 2nd gear to reach 10th gear, and press again to turn off the fan; 2. Control of spray switch: press the spray button briefly to default to the first gear, separate the middle spray port to spray, then press the second gear, spray ports on both sides to spray, then press the third gear, and three spray ports to spray at the same time; Press again to close spray and cycle in turn; 3. Timer function: Short press the timer button to set the timer for 1 hour by default, displaying H1. Press twice to display H2. Set the timer for 2 hours, then press H8 to turn off the timer; After two seconds of timed display, the screen automatically switches to gear display; 4. Atmosphere light switch control: Short press to turn on, then press to turn off, and cycle in sequence; [ATTRIBUTES] - Hign-concerned Chemical: None - Power Source: USB - Brand Name: SUGY - Hign-concerned Chemical: None - Power Source: USB - Brand Name: SUGY - Origin: Mainland China - Certification: CE,FCC,RoHS