☆ Headphone jack design allows you to listen to music, respond a call while freeing your hands. ☆ Spacious compartments provide separate spaces for computer, files, wallet, clothes, r bank, etc. ☆ Made from water-repellent fabric, durable, high tear strength & high asion resistance. ☆ Built-in double USB port offers you a more convenient way to your phone while walking. ☆ Well-padded velvet and absorbing cotton protect your laptop from scratching effectively.