ship from Japan Reliable wireless connection with unique wireless technology With the included battery, the mouse can be used for up to 18 months and the keyboard can be used for up to 36 months. Mouse body size (width x depth x height): 68 mm x 106 mm x 38 mm Supported OS: Windows XP, Windows 7, Windows 8 or later, Chrome OS Operating distance: 10m Accessories: Keyboard, mouse, USB receiver, AAA alkaline batteries x 2 (keyboard), AA alkaline batteries x 1 (mouse) (installed), instruction manual
