• It does not compress and gives you a pleasure. Walkman A20 Series High-Resolution Sound Source Compatible [32GB/NW-A26HN] • Equipped with a high-resolution digital noise canceling function that can reduce ambient noise while playing high-resolution sound • Compatible with high-resolution audio sources with approximately 6.5 times the amount of sound information on CDs. Equipped with a full-digital amplifier S-Master HX, which enhances noise reduction performance in treble playback • Comes with earphones that are compatible with high-resolution digital noise canceling function • Size (W x H x D): Approx. 1.7 x 4.3 x 3.4 x 2.4 oz (43.6 x 109 x 8.7 x 66 g) (main unit only)