Unipows Wireless Mouse _ Green

2.4GHz Stable Wireless Connection _ A tiny wireless receiver (stored in back of the mouse) provides stronger anti-interference ability, faster transmission speed and more reliable connection up to 15m (49 feet), without any hassle of additional wire and driver. Just plug and play.
Enduring Quality & Power Saving _ High DPI Movement resolution allows the mouse to track on nearly any surface. Rated to 5 million comfortable clicks. Turn into sleep mode in 8 minutes of inactivity for energy saving, easily activated by clicking any button. 1 AA Battery (NOT Included) is needed for this mouse.
Ergonomic & Compact Design: USB-receiver stays in your PC USB port or stows conveniently inside the wireless mouse when not in use. The lightweight and simple features make the mouse perfect for the journey, office, home
Portable and Noiseless _ Stow the USB receiver inside the wireless mouse when not in use. Take it to anywhere like home, office, coffee shop, etc. Responsive buttons provide soft click with less noise.
Wide Compatibility _ Work with Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc. NOTE: This product is connected by USB receiver, and is NOT compatible with macbook pro or other laptops which don??t come with USB ports.