Our Premium cable brand, "Welle", produced after a joint R&D with a Japanese cable manufacturer,has been on the market since 2009.Welle Digital, have developed and brought into the market a variety of new specification HDMI cables and D products in line with the release of 3D TV and 3D compatible AV receivers. That is why many companies that are developing Blu-ray laser lens cleaner often fail the challenges of manufacturing ultra-thin and soft brush fiber that does not damage the laser lens at high speed spinning.Our company has successfully developed the high-tech brush that is ideal for laser lens cleaning.and included Sound and Video quality test program`s All videos included with the product are produced in 3D HD 24p standard that can be played back on any 3D Blu-ray disc player in any country in the world. There is no compatibility problem between NTSC and PAL TV systems and no need to keep stock in different formats, and therefore cost is reduced.