Amazon.com: Logitech K330 Wireless Desktop Keyboard and Wireless Mouse Combo — Entertainment Keyboard and Mouse, 2.4GHz Encrypted Wireless Connection, Long Battery Life MK320 Combo : Electronics
User manual Logitech MK330 (English - 148 pages)
Review of ``Logitech WAVE KEYS K820'', an ergonomic keyboard for beginners designed based on ergonomics with less strain on the body, perfect for long hours of PC work - GIGAZINE