DESIGNED FOR LAID-BACK CONTROLPC-to-TV entertainment shouldn't be hard work. Kick back and navigate your TV-connected computer from the comfort of your couch! INTEGRATED WIRELESS KEYBOARD WITH TOUCHPADEnjoy seamless control of your PC-to-TV entertainment, without the hassle and clutter of a separate keyboard and mouse.Comfortable, quiet keys and a large (3.5-inch) touchpad make navigation effortless. 10-METER (33-FOOT) WIRELESS RANGEWatch video, browse the web, chat with friends and more, without annoying delays or dropouts.Responsive, trouble-free connection even in large spaces.Wireless range may vary depending on operating environment and computer setup. MEDIA-FRIENDLY TV KEYBOARDYou are instantly comfortable using the K400 Plus. Layout is designed for relaxed media interaction.Easy-access volume controls and arrow keys.Second left-click button lets you navigate and make selections with two hands.Shortcuts for Windows® and Android™ users.Hot keys work right from the box; no configuration required. PLUG-AND-PLAY SETUPSetting up K400 Plus is a snap. Plug the tiny Unifying receiver into a USB port and start the fun.Use the keyboard receiver to connect up to six Unifying devices to your computer.LEARN MORE AND DOWNLOAD UNIFYING SOFTWARE 18-MONTH BATTERY LIFEYou might forget this keyboard needs batteries.Virtually eliminates the hassle of replacing batteries.Use the on/off switch to extend battery life even further.Battery life was independently tested for two-hour use per day. Actual battery life will vary with use, settings and environmental conditions. WORKS WITH MULTIPLE OPERATING SYSTEMSDesigned for use with Windows® 7, Windows 8, Windows 10 and later, Android™ 5.0 or later, and Chrome OS™. CUSTOMIZABLE CONTROLUse K400 Plus right from the box, or personalize key and touchpad settings with Logitech Options™ software.READ MORE ON WIRELESS TOUCH K400 PLUS KEYBOARDSPECS & DETAILSDIMENSIONSOverallHeight: 139.9 mmWidth: 354.3 mmDepth: 23.5 mmWeight: 390g (with batteries)TouchpadHeight: 76 mmWidth: 47 mm SEE VISUALSYSTEM REQUIREMENTS OS/Platform SupportWindows® 7, Windows 8, Windows 10 or laterAndroid™ 5.0 or laterChrome OS™USB portTECHNICAL SPECIFICATIONS Connection Type: Logitech Unifying protocol (2.4GHz) Special Keys: Mute, Volume Down, Volume Up Connect / Power: On/Off Switch Battery Details: 2 x AA Battery Life (not rechargeable): Up to 18 months Key life: Up to 5 million keystrokes Typing noise: Within 55 dBA for all keys Wireless range: 10 mPACKAGE CONTENTSWireless Touch KeyboardUnifying receiver2 AA batteries (pre-installed)User documentationWARRANTY INFORMATION 1-Year Limited Hardware WarrantyPART NUMBER Black: PN: 920-007165