Nike Running shoulder bag pink NRN06649OS Nike arm band with headphone output recommended for runners. Model compatible with iPod Nano will allow playing playlists during training. Construction made of fabric pleasant touch . Transparent insert on the front will allow using the touch screen. Adjustable strap velcro. Reflective details.  Technical data:· material: 52% nylon, 32% SBS, 10% TPU, 6% polycarbonate· dimensions "windows": 3.5 x 3.5 cm