Exclusive, 10-brush Cyclone Clean process sweeps away dust, dirt & debris from the laser lens ; Also safe for DVD players, Blu-Ray Disc(R) players, PS3(TM) & Xbox(R) gaming systems; Includes home theater image & sound calibration tools to help maintain ideal audio & visual playback settings, with on-screen & voice instructions avaiable in Eng, Sp, Fr & Ger;