Evoluent VerticalMouse 4 Right Wireless - Optical - Wireless - Radio Frequency - 2.40 GHz - Black - 1 - USB - Scroll Wheel - 6 Button(s) - 6 Programmable Button(s) - Right-handed - 1

Enjoy the freedom of Radio Frequency wireless connectivity found in most Computers Computer device support for convenient and quick access to the information to ensure maximum productivity Scroll Wheel scroller type for convenient, easy scrolling with maximum usability Radio Frequency mouse wireless technology for convenient, easy connection with maximum usability Battery Indicator mouse feature for maximum productivity with added dependability USB mouse host interface allows quick transmission of data at a higher rate for your convenience Comes in black product color for a trendy, sophisticated look Right-handed ergonomic fit for steady, painless usage with maximum productivity Optical LED for smoother movement and hassle-free performance Designed to fit your hand naturally, avoiding painful positions and allowing you to work conveniently for longer hours