In a lossless compressed format, however, the music would occupy a smaller file than an uncompressed format and the silence would take up almost no space at all. Lossless compression formats include the common FLAC, WavPack, Monkey's Audio, ALAC (Apple Lossless).
TPU material in three kinds of material is super wear resistance, excellent wear resistance and yellowing resistance makes the advantages of this kind of material is very outstanding. Taken together, the physical properties of TPU are relatively prominent, but each has a protective shell has its own advantages.
TPU soft characteristics between rubber and plastic, TPU hardness range is wide, by changing the TPU ratio of each reaction component can get different hardness of products, and with the increase of hardness, its products are still keep good elasticity and abrasion resistance.