Features:Blowing balloons are made of latex material, which is anti-aging and does not degumming, full of elasticity, not sticky or fading, and not be hard in winter Enough blowing volume, so that more dust has nowhere to hide; The neck of blowing balloon (the joint of blowing nozzle and sphere) is thickened and not easy to bend, which can effectively prevent damage to lens when mouth touches lens during use; skills:When using blower, pay attention to avoid blowing ash to place that cannot be cleaned.In principle, when blowing dust, the lens should be downward to avoid dust entering inside of camera lens.When squeezing sphere, the speed must be fast, so as to generate a sufficient strength of air flow.Since dust generally sticks to of lens horizontally, it is easier to blow dust away by blowing air from side. Product Usage:Clean optical lens, can also be used to clean digital camera, digital video camera, computer host, watch movement, etc. Scope of use: computer, fine watch, mobile phone, TV, telephone, CD. VCD. DVD player, communication instrument, Optical instrument, etc Colour:As Shown Material:Metal Package Contents: 1 * Watch Repair Tool Care Kit Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.