Adesso WKB-3150UB - Wireless Ergonomic Keyboard with Built-in Removable Trackball and Scroll Wheel, Split Key, Long Battery Life, Small and Portable -Compatible for Laptop/Desktop/PC/Windows XP/7/8/10 : Amazon.es: Informática
Trackball + viene con mejoras para quedarse en el sofá
Review: B-Move Trackball Neo
Teclado media center B-MOVE Trackball Revisión 2 | QuickHard