compressed air duster, new generation canned air, 33000 rpm electric air can for computer keyboard electronics cleaning, 6000mah rechargeable battery, reusable dust destroyer unknown <p>product parameters</p><p>rechargeable battery: 6000mah</p><p>continue working: up to 30 minutes</p><p>rpm: 33000</p><p>max wind speed: 30m/s </p><p>weight: 0.66 lb.</p><p>charging cable length: 40 inches</p><p> </p><p>how to use</p><p>1. install the nozzle, make sure the nozzles fixed and without signs of looseness</p><p>2. manual mode: press and stay hold the button for 1-2 seconds, the duster begin to work. release the button, duster off.</p><p>3. auto mode: quick double press the button will activate this mode; press again, duster off.</p><p>4. indicator light flashing: low battery</p>