Logitech Wireless Touch Keyboard K400 Plus Keyboard w/3.5" Multi-touch Touchpad (Certified Refurbished) Certified Refurbished product is tested & certified by Logitech to work like-new. The product includes all original accessories, and is backed by a 90 day warranty. Wireless HTPC keyboard for PC connected TVs, 80-keys, Media-friendly TV keyboard, Plug-and-play setup Lets you easily navigate your TV-connected computer from the comfort of your couch!, 18-month battery life Built-in 3.5-inch touchpad with left & right mouse buttons, 33-feet (10-meter) wireless range Designed for use with Windows 7, 8, 10 and later, Android 5.0 or later, and Chrome OS