roll up Keyboard size of 410*130*12mm for PS2, USB, Combo (USB+PS2) Port Flexible, foldable, roll up silicone waterproof keyboard,flexible keyboard,silicone keyboard,waterproof keyboard,foldable keyboard,usb keyboard,multimedia keyboard,roll up Keyboard 104-key slim flexible keyboard Patented product Portable Keyboard Specification . Roll up Keyboard Communication: for PS2, USB, Combo (USB+PS2) ...