•【High-Speed Portable Fan】 RD18 USB rechargeable folding fan with 5 adjustable speed settings for versatile use indoors and outdoors. •【Long-lasting Battery】 3000mAh capacity provides up to 6 hours of use on the lowest setting, ensuring extended cooling comfort. •【Powerful Performance】 Maximum speed of 12000rpm delivers a strong airflow of 6.90 m/s for effective cooling in various environments. •【Compact and Lightweight】 Foldable design with dimensions of 60 x 54.5 x 164mm and weighing only 182g for easy portability. •【Smart Display】 LED screen shows battery level and fan speed, with low battery warning for user convenience. Specifications: •Battery Capacity: 3000mAh 3.7V •Input Voltage: DC 5V •Input Current: 1.5A •Fan Operating Current: 20-speed 0.48A, 40-speed 0.65A, 60-speed 0.88A, 80-speed 1.19A, 100-speed 1.59A •Fan Operating Power: 20-speed 1.48W, 40-speed 2.40W, 60-speed 3.25W, 80-speed 4.40W, 100-speed 5.88W •Fan Operating Time: 20-speed 6H, 40-speed 4.3H, 60-speed 3.2H, 80-speed 2.3H, 100-speed 1.7H •Charging Time: Approx. 2.6 hours •Standby Current: ≤ 20uA •Motor Speed: 20-speed 7200rpm, 40-speed 8500rpm, 60-speed 9800rpm, 80-speed 11000rpm, 100-speed 12000rpm •Wind Speed: 20-speed 4.12 m/s, 40-speed 4.82 m/s, 60-speed 5.87 m/s, 80-speed 6.56 m/s, 100-speed 6.90 m/s •Noise Level: 1-speed 62dB, 2-speed 68dB, 3-speed 74dB, 4-speed 78dB, 5-speed 80dB •Material: ABS / Electronic components •Dimensions: 60 x 54.5 x 164mm •Net Weight: 182g Charging and Battery Display (Charging Current: 1.5A): •When the charging cable is plugged in, the display lights up, the lightning symbol blinks slowly, and the "%" symbol remains on, indicating normal charging. •When fully charged, the display shows "100," and both the lightning symbol and "%" symbol remain on. •When a button is pressed, the display first shows the speed setting, then returns to the battery level display after 3 seconds with a +5% increase. •When the battery level is below 10%, the display starts blinking slowly; at 0%, the device shuts down. •If the battery is depleted (0%), turning on the device only displays "00," blinks 5 times, and then shuts down without activating any functions. •When charging while powered on, if a button is pressed, the display first shows the speed setting, then returns to the battery level display after 3 seconds. •When charging while powered off, unplugging the charging cable will turn off the display. Fan Function: •Short press the fan button once to turn on the fan at level 1; the display shows "20," and the fan icon lights up. •Short press the fan button again to cycle through speed settings: 20 → 40 → 60 → 80 → 100 → Off. •While the fan is running, the fan icon remains on; when the fan is turned off, the icon disappears. Package included: •1 x Handheld Fan •1 x Charging Cable •1 x English and Chinese Instruction Manual