Logitech K380 Multi-Device Bluetooth Keyboard – Windows, Mac, Chrome OS, Android, iPad, iPhone, Apple TV Compatible – with Flow Cross-Computer Control and Easy-Switch up to 3 Devices – Dark Grey Keyboards -
Logitech Flow-Enabled Keyboards Designed For Multi-Taskers | NEWCOM Computer Systems
Download Logitech Options Customization Software
Logitech Flow/Mouse without Borders/Synergy, but in hardware : r/Trackballs