Features: -Equipped with three different types of nozzles and brushes, you can replace the appropriate nozzle to clean different devices. -It is suitable for cleaning computers, keyboards, electronic products, sofas, cars, seat cushions, etc.-The speed can reach 130,000 rpm, and the strong wind power brings you convenient cleaning, saving time and energy, which can be adjusted by sliding the button up and down to change the wind speed.-With a 6000mAh battery capacity, it can work continuously for up to four hours, the maximum wind speed can be used continuously for more than 15 minutes, and each charge takes 2-2.5 hours. With overcharge protection, it can safely and effectively protect the battery and extend its service life.-It is small in size, l.