1、Built In 10000mAh Battery: This compressed air duster has a built in 10000mAh battery, with a super long life of up to 4 hours of use in first gear, which makes it very easy and practical to use. 2、Brushless DC High Speed Motor: This electric air duster adopts brushless DC high speed motor, the maximum output speed is up to 100,000 RPM, which can produce the fastest 52 metres per second super wind speed equivalent to a 16 stage typhoon, with strong power and long lasting stability. 3、30 Speed Adjustment: This air duster blower has 30 speed adjustment, you can choose the wind speed you need according to your needs, compact body, easily portable, convenient to use on the go. 4、LED Lights: This portable electric air duster features three levels of LED lighting brightness adjustment and 6 high brightness LEDs that make you clean dark corners even in the dark. 5、Wide Application: This portable air blower has a wide range of applications, which can be used for computer keyboards, computer cases, outdoor, car, home, outdoor camping and so on. Item Type: Air Dust Removal Fan Material: ABS Control Method: Rotary Knob Battery: Rechargeable Lithium Battery 5000mAh x 2 (Included) Wind Speed Gears: 1-30 Gears Input Power: 28W Discharge Power: 1-90W Charging Interface: Type C Noise Level: 30-90dB Charging Time: 1.5h 6 Fast Charging Protocols (Charging or Discharging): QC3.0, PD3.0, For IOS, For FCP, For SCP, AFC Charging or Discharging (Supports up to 28W Super Fast Charging) LED Lights: 6 HD Digital Display: Battery Level, Gear Maximum Speed: 100000RPM Main Functions: Turbo Fan 0-30 Gear Wind Speed Adjustment, 3 Level LED Brightness Adjustment, Mobile Power Bank 1 x Fan Blade 1 x Turbine Fan 1 x Turbine Fan Accessories 1 x Main Unit 1 x USB Cable 1 x Manual