Verbatim 96781 Nano Wireless Notebook Optical Mouse - Black Nano Receiver - Small enough to plug in once and leave connected. Wireless - Plug in nano receiver and go wireless. 2.4GHz reliability and performance. Nano Slot - Convenient nano receiver storage for when you need it. Comfort Grip Smooth, rubberized grip designed for comfort and control. Package includes: Mouse, Nano receiver, Software CD, 2 x AAA Batteries, Quick Start Guide