【Powerful Cordless Air Duster】Our AFMAT air duster is proud of its capacity to produce a powerful thrust of air at almost 10 level strong gale (28m/s) for deep cleaning of the microscopic dust, such as printed circuit boards to computers, electronic instruments, medical devices, which can not be cleaned by your traditional wiper or duster. Its motor allows the maximum rotating speed to reach up to 33000 RPM. | 【Rechargeable Electric Air Duster】 Built-in large 6000mAh lithium batteries allow this duster to run nearly 30 minutes continously. Its compatibility of getting charged via the USB-port makes it so easy to charge. (If you lost the charging cord, just use your Android cellphone's) With a reduced charging time of around 3 hours, its usability can be highly increased. Compared to common gas duster, this electric air duster is highly reusable with its rechargeable function. | 【Alternative to Compressed Air】We all have the responsibility to save gas and water. To achieve this goal, we made this highly environment-friendly device as it allows more than 5000 times of use, resulting in saving a lot of energy. This mini duster is such a scientific device which keeps cleanliness hand in hand with eco-friendliness. | 【Handy Design & Simple Operation】 The air duster is structured with an extended full-palm gripping design and withdrawable nozzle keeping the handhold clear to let users grip it at their comfort. The operation is so simple and there are 2 ways to run the duster. One is to long hold the switch and the other is to press the switch twice. | 【100% Satisfaction & Warranty】 We offer 1 year warranty from the purchase date. If there is anything that you are not satisfied with, we’ll refund every cent, including the tax. Please feel free to contact us through Amazon if you are not happy with the purchase.