Logitech K400 Plus Wireless Touch Keyboard - YouTube
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Getting started with Logitech® Wireless Touch Keyboard K400
Logitech K400 Professional Wireless Touch Keyboard - Wireless Connectivity - RF - USB InterfaceTouchPad - Compatible with PC, Windows, iOS, Android, Linux - Mute, Volume Up, Volume Down Hot Key(s) - B - Newegg.com
About K400 Plus
logitech K400 Wireless Touch Keyboard User Guide - Manuals+
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