Verbatim Wireless Optical Design Mouse, Red 97784 Wireless Plug in nano receiver and go wireless, 2.4GHz reliability and performance Stylish Design-Colorful artistic designs and a unique easy grip shape. Rubberized side grips made for comfort and control Nano Receiver and Nano Slide Small enough to plug in once and leave connected, includes a storage place to slide nano receiver into base when needed Comes in fun, colorful designs