<p>The air duster is a new design to clean the duster replaces the air can. Only fully charging it, you can use it infinitely. The air duster comes with an incredible blast of air at over 33000RPM, which is strong to clean the smallest dust wherever on the narrow or other corner.  Suitable for window and sofa, car, air conditioners, sofa, pet, computers, laptops and keyboards, switches and solenoids, electrical equipment, laboratory instrument, electronic instruments and so on.</p> <p></p> <p>Features:</p> <p>Motor Rotate Speed: 33000RPM</p> <p>Blowing force: 0.98OZ~1.16 OZ</p> <p>Charging Time: 3 H</p> <p>Battery Working Time:0.5 H</p> <p>Packing Size :3*2*7IN</p> <p>Weight: 0.66LB</p> <p>Blows at over 28m/s</p> <p></p> <p>Package contents: 1 x pet leash 1 x user manual 1 x USB Cable</p>