Logitech K380 Multi-Device Bluetooth Keyboard review: The best multidevice Bluetooth keyboard yet - CNET
Amazon.com: Logitech K380 Multi-Device Bluetooth Keyboard for Mac with Compact Slim Profile, Easy-Switch, 2 Year Battery, MacBook Pro/ Air/iMac/iPad Compatible - Blueberry : Electronics
Logitech K380 Bluetooth Slim Multi-Device Keyboard - Micro Center