... *Spill- resistant design *Fashionable chocolate-alike keys Keyboard Functions*Fashionable chocolate-alike key design; brief & simple ... Window7/2000/XP/Vista,etc.Mouse function:Six-button design: left, right , scroll wheel, forward , backward, DPI ... specifications1.(Mouse ) Voltage Rate : 3V2. (Mouse)Current Rate: 15mA3 .(Keyboard) Voltage Rate: 1.5V4.(Keyboard) Current Rate:3mA5. Mouse Resolution: ...