... . 80-Key USB Mini Flexible Roll-Up Silicone Keyboard (Whi 2.Mini size ideal for a notebook 3.Silicone material New, ... 4.5-foot cable length Flexible design lets you roll up for transporting or storage Moisture resistant Acid and Alkaline proof - ... Compatible operating systems: Windows 98SE/ME/2000/XP/Vista Great for offices, hospitals, classrooms, workshops, laboratories, outdoor use, etcUnit ...