ADESSO WKB-3100UB Wireless Mini Trackball Keyboard - Compact 87-Key Layout, Built-in 800 DPI Optical Trackball, 24GHz RF Wireless Technology, USB Interface, 30-Foot Range

• Wireless Freedom: Enjoy up to 30 feet of wireless control with 2.4 GHz RF technology; no cables, no clutter; ideal for home offices, kiosks, and POS stations
• Integrated Trackball: Built-in 800 DPI optical trackball provides precise cursor control; eliminates the need for a separate mouse; saves valuable desk space; requires no maintenance
• Compact Design: 87-key layout with embedded numeric keypad; only 11.75 inches wide; fits easily into small workspaces, briefcases, or backpacks; perfect for mobile use
• Durable & Reliable: Membrane switch type with a 5-million-cycle lifespan; designed for long-term use in various environments; includes 65,000 wireless IDs for secure, interference-free connection
• Plug & Play: USB interface with a mini USB receiver; compatible with Windows 11 and below; no software installation required; includes 2 AA batteries and a quick start guide

The Adesso Wireless Mini Trackball Keyboard provides optimum control of your computer at a distance of up to 30 feet away. The integrated trackball and mouse buttons provide you with all the features of a mouse, but without the need of an additional accessory. The trackball delivers superior precision and smooth motion with no maintenance or cleaning required. This keyboard is perfect for compact spaces like small office cubicles, home offices and kiosks. This unique keyboard also works great with PC systems, LCD monitors and Tablet PCs in both your home and office. The keyboard is compact and is also extremely mobile, fitting easily in a briefcase or backpack. Windows 7, Vista, XP or 2000