QUIETER WIRELESS MOUSE -- Sleek design and responsive buttons, provides very soft click with less noise, no more disturbing for others with the loud clicking sound SUPER EASY INSTALLATION -- Plug & playJust pop in the aa battery (NOT included) and plug the nano receiver to your computer, then it will get it job done, no drivers needed 2.4GHz STABLE CONNECTION -- 2.4GHz wireless transmission technology provides a powerful and reliable connection up to 33ft, the wireless mouse will turn to sleep mode in 10mins of inactivity, and can be activated by clicking any buttons UNIVERSAL COMPATIBILITY -- Work perfectly for Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc. Pls Note: this mouse is connected by USB receiver, will NOT compatible with Macbook Pro or other devices which only have Type C ports PORTABLE & COMPACT SIZE -- This Wireless Mouse would be the best partner for your business trip in terms of lightness and portability, the USB Receiver could be stored inside the mouse, and wont be misplaced again