Features: This air duster tops the market by its capacity to produce a powerful thrust of air at almost 70m/s for deep cleaning of the microscopic dust. Starting from printed circuit boards to computers, electronic instruments, medical devices, and many more such areas can be cleaned by this mini duster which your traditional wiper or duster cannot clean. This air duster is specially designed to get charged faster with a 2A adapter (not included). Its motor allows the maximum rotating speed to reach up to 45000 RPM. Charging takes 4-7 hours depending on the intensity of usage. Saving gas and water has now become our primary responsibility. And to support this cause this device to be made highly environment-friendly as it allows more than 5000 times of use, resulting in saving a lot of energy. This mini duster is such a scientific device that keeps cleanliness hand in hand with eco-friendliness. Specifications: Colour: Black Material: ABS, PP Size: 20.5 x 7.5 x 13 cm Weight: 600g Voltage: DC 5V Power: 60W Motor Speed: 45000 RPM Wind Speed: 70m/s Battery Information: 6000mAh Usage Time: 1-Gear Using Time: 0.5H 2-Gear Using Time: 0.35H Charging Time: 4H Battery Information: 15000mAh Charging Time: 7H Package Includes: 6000mAh: 1 x Cordless Air Duster 1 x Long Hair Brush 1 x Long Blowing Mouth 1 x USB Charging Cable 15000mAh: 1 x Cordless Air Duster 1 x Long Hair Brush 1 x Long Blowing Mouth 1 x USB Charging Cable