Logitech MK850 Performance Wireless Keyboard and Mouse

Wireless Desktop Kit, Unifying Receiver, Bluetooth, Easy Switch Keys, Full Size Keyboard, Mouse: 1x AA Battery (Included), Keyboard: 2x AAA Batteries (Included), Up to 24 month mouse battery life, up to 36 month keyboard battery life, Spill Resistant, Logitech Flow & Duolink