LOGITECH MK220 OPTICAL WIRELESS KEYBOARD + MOUSE

Installation is very easy: simply connect the wireless receiver to the
computer USB port to start using the keyboard immediately
without software.
Silent keys

The keys are barely audible, so you can listen to a song.
quietly instead of the sound of the keys.
Specifications and details

System requirements
Windows Vista, Windows XP, Windows 7, Windows 8, Windows 10
USB port
This box contains
Keyboard (K220)
Mouse (M150)
USB Receiver
Two AAA batteries (keyboard) and two AA batteries (mouse)
User documentation
Warranty Information