heat is easy to conduct all around quickly and effectivelyFin design, accord with heat distribution discipline, make heat uniformly distributed and easier to conductSilent, durable and safe.Brand new and high quality.for Sony PS3 Super Slim KSB0812HEcolour:blackMaterial:plasticsize:8x8x2.5cmPackage Contents:1 x Internal Cooling FanOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.