... left, right, F5, B,Esc and laser point. 5. Phase 2 buttons: play, pause, forward, backward, volume up and down, start ... required.System: WINDOWS98/2000/ME/XP Linux & Mac OSTechnology: Radio Frequency(2.4GHz)Control distance: 15-25MWorking voltage: 3V(AAAX2)Sleep ... 1uAMax output: < 1mW or < 5MwPacking: Color box with carry bag 2.4GHz (Optical Mouse,use free!) Wireless Presenter Green Laser Pointer