- Blu-ray lens cleaner for gently cleaning the laser optics inside a Blu-ray player or the PS3 ,- 3 micro brushes remove dirt particles which compromise the playback quality of video and audio media ,- With 7.1 surround sound test , ,Frustration free packaging ,- Easy to open ,- Environmentally friendly packed in a paper envelope , ,Note for Consumers: ,Not suitable for car radios/navigation systems. ,Insert the cleaning disc into the Blu-ray player in the same you would a normal disc. Ensure that the cleaning brushes face downwards. The arrow on the disc must point forwards.