[3 Speeds Adjustment]: OTAO compressed air design 3 speeds from 33000 RPM, 38000 RPM to 51000 RPM, you can easily customize a suitable speed to clean different devices.(Press and hold the button for 3 seconds to switch the device on/off, click button to switch the speeds.)[Small and Powerful]: Compact size, the air duster is effortless in hand. But it has great power, the maximum speed can generate a strong air thrust close to 100m/s. Strong wind can precisely blow away 99% of the dust and greatly improved the cleaning efficiency.[Varied Application]:Electric air duster comes with 5 nozzles, meets different needs.1) Remove dust from anywhere you want:computer, keyboards, air conditioner ect electrical and electronic equipment; household cleaning of windows, sofa, corner crevices, etc. 2)Quickly blows away water droplets from succulents to prevent rot.[LED Light Design]:This compressed air duster has a LED light irradiation-point to the clean area easily, help to remove dust in dark corners. It is also a charging indicator, when the air duster is charging, the light is red and the light will turn to green when it is full charge.[Rechargeable Battery & Fast Charging]- OTAO cordless air duster built in 6000mAh Battery with 10W charging power, full charge needs 3-4hrs with a Type-C cord(adapter not included) and will run for 20-30 minutes continuously. Product Description OTAO Electric Cordless Compressed Air Duster, Easy Dust Off, Multiple Use, Create A Healthy Life Easily Product Parameters: battery capacity: 6000mhA charging time: 3-4 hours LED light: - just charging red light flashing - after a while it stays red when charging - turns green when fully charge - it stays green when in use 3 speeds/working time: 1st Speed: 31000RPM /≤25mins 2nd Speed: 38000RPM / ≤20mins 3rd Speed: 51000RPM / ≤15mins Attention: We suggest 5 minutes break every 15 minutes of continuous work to extend the product’s life. Strong Wind Speed 51000RPM motor produces a powerful thrust of air—enough for deep cleaning of the microscopic dust.Can fit for different cleaning use Large Capacity Upgraded 6000mAH high-capacity lithium batteries enable the air dusters to work for 40 minutes continuously on one charge. LED Light LED light allows you to clearly see the dust in darkness, very practical!