Logitech K400 WL Keyboard w/Touchpad

SYSTEM REQUIREMENTS Windows® XP, Windows 7, Windows® Vista or Windows® 8 / Windows® 8 RT USB port TECHNICAL SPECIFICATIONS 10 m (33 ft) reliable, wireless range— perfect for the living room1 Large 3.5 inch, built-in multi-touch touchpad for smooth, precise navigation Stylish, minimalist design with comfortable, low-profile keys Plug-and-play setup, —no software installation needed 1-year battery life2 PACKAGE CONTENTS Wireless Touch Keyboard USB range extender Unifying receiver User documentation 2 AA batteries (pre-installed) WARRANTY INFORMATION 3-year Limited hardware warranty PART NUMBER Black: PN: 920-003070