Logitech M585 Wireless & Bluetooth Multi-Device with Two Thumb Buttons Red Logitech FLOW Exceptionally Accurate Scrolling Curved Design for Windows and Mac: Talk about a game changer. This is multitasking at its best. M585 has the almost magical ability to copy and paste between two computers and navigate between them with ease. The goal of every little detail is to increase productivity. Workflow with multiple computers without effort One Flow-e can be used to control up to two computers.