Characteristics: Product use: Clean the optical lens, can also be used to clean digital cameras, digital video cameras, computer hosts, clock mechanisms, etc. Features:Blowing balloons are made of latex material, which is anti-aging and non-degumming, full of elasticity, not sticky or faded, and will not become hard in winter.Enough blowing volume so that more dust has nowhere to hide;The neck of the blowing balloon (the connection of the Blowing nozzle and the ball) is thickened and not easy to bend, which can effectively prevent damage to the lens when the mouth touches the lens during use; Skills: When using the bellows, be careful not to blow the ashes into places that cannot be cleaned. When blowing dust, the lens should always be pointed downwards to prevent dust from entering the inside of the camera lens. When squeezing the ball the speed must be high to create sufficient strength of air flow. Since dust generally sticks to the surface of the lens horizontally, it is easier to blow away the dust by blowing air from the side. Scope of application: computer, beautiful watch, mobile phone, TV, telephone, CD. VCD. DVD player, communication instrument, optical instrument, etc Scope of delivery: 1*Watch tool set