Logitech K780 Multi-Device Wireless Keyboard for Windows, Apple, Android or Chrome, Wireless 2.4GHz, Bluetooth, Smartphone and Tablet Cradle, Quiet, compatible with PC, Mac, Laptop - Wireless Connectivity - Bluetooth - 33 ft -
Amazon.com: 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 :
Logitech Tablet Keyboard for iPad Review - YouTube