Logitech K750 Wireless Solar Keyboard - NO Unifying Receiver TESTED

Logitech K750 Wireless Solar Keyboard, Mouse M505, and Unifying Receiver

Logitech K750 Wireless Slim Keyboard Solar Powered - Black, USB Receiver

Logitech K750 Full-Size Wireless Solar Keyboard, USB Dongle/Receiver Included

Logitech K750 Wireless Solar Keyboard - missing "3" key

Logitech K750 Solar Powered Keyboard Wireless Works With Unifying Receiver

Logitech Black K400r Wireless Slim Keyboard Touchpad with USB Unifying Receiver

Logitech K750 Solar Wireless Keyboard for Mac 820-004185 *No Unifying Receiver*