1, Keyboard is made by bamboo 2, Mouse is made by bamboo 3, First one in ... materials Keycap is made by fresh bamboo materials Compatible with Win 95/98/2000/ME/XP/NT/Vista/Win7, ... 5 million times Laser printed keys with long life Certification FCC, CE, RoHS 2, Bamboo Mouse Non-stand, optical, 3 bottoms ... 1000 DPI Buttom life: over 5 million times Compatible with Win95/98/2000/ME/XP/NT/Wista/Win 7,etc ...