User manual Logitech Wireless Combo MK320 (English - 2 pages)
What is the best Logitech wireless keyboard and mouse combo? - Quora
User manual Logitech MK220 (English - 16 pages)
iMart PC - all product import from USA ==================== Logitech Wireless Combo MK220 Type on a full-size layout with 12 enhanced F-keys for media control. The powerful combo with extra-long battery life.
Logitech MK220 Wireless Keyboard and Mouse Combo User Manual