【EASY TO USE】Used to clean optical lenses, digital cameras, computer hosts, mechanical keyboards, high-grade watch movements and other high-precision equipment. | 【FEATURES】Blowing the neck of the balloon (the combination of the mouthpiece and the ball) using thickening treatment, not easy to bend, effectively prevent the mouth from touching the lens in the process of using damage. | 【DESCRIPTION】The air enters from the bottom of the one way air valve, one way air valve prevents dust from going into nozzle. | 【MATERIAL】The use of latex material, anti-aging non-degumming, elastic, also not easy to fade. | 【PACKAGE INCLUDING】Air blower x 1 , Cleaning cloths x 2.