battery operated air duster for keyboard cleaning, 6000mah rechargeable, cordless, powerful, energy-efficient, replaces compressed gas cans, electric air blower for electronics computers be1 "<p><b>product highlights</b><br>this air duster is a comfortable and handy product. it helps in cleaning away the smallest of the smallest dust particles in the high-precision instruments, worldwide for a wide range of usability in every narrow and corner place where once you could not reach, such as window and furniture, automobiles' corners, air conditioners, sofa, pet's hair, printed circuit boards, medical devices, relays, contacts and connectors, computers, laptops and keyboards, switches and solenoids, electrical equipment, laboratory instrument, telecommunication equipment, electronic instruments and so on. <br><br><p><b>great for</b><br>· automobiles<br>· computers & it needs<br>· delicate antiques<br>· blinds & lampshades<br>· silk plants<br>· sensitive equipment<br>· shelves<br>· electronics<br>· hobbies & models<br>· and much, much more<br><p><b>features:</b><br>blows at over 28m/s<br>great for household use.<br>blasts for 30 minutes on a charge.<br>re-charges just like your cell phone.<br>1 year limited warranty.<br><p><b>specification</b><br>package contents: 1 x pet leash 1 x user manual 1 x usb cable<br>motor rotate speed: 33000rpm<br>blowing force: 0.98oz~1.16 oz<br>charging time: 3 h<br>battery working time:0.5 h<br>packing size :3*2*7in<br>weight: 0.66lb<br><p><b>if you have a problem, just email us and we'll make it right.</b><br>"