Adesso Inc - Mini Trackball W/less WKB-3100UB

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... moreDesign: 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