... most MP3 players, MP4 players, MP5 players and earphone silicone headphone bobbin winderSizeapprox.7*3*2.5CMFinishLogo can be multi-color ... Any color is available;Featuressilicone cable winder will wind the earphone lines in good ranking,not knot. It is nice, ... attachment:(mobile phone case,computer case,USB case,keyboard case,earphone cable winder)2.bracelet/necklace(promotion bracelet and necklace, ...