Logitech G400s - Full specifications - What Mouse?
Logitech G400S Review | Play3r
Confused whether to buy Logitech g400s or not ? | AnandTech Forums: Technology, Hardware, Software, and Deals
Logitech G - LGS Tip of the Day: Disabling Enhanced Graphics in Logitech Gaming Software If you're on a laptop and want to reduce GPU use when unplugged from the AC adapter,