SPECIFICATION ________________________________________ Connection Type: Logitech non-unifying protocol (2.4 GHz) with Nano USB receiver Wireless Range: 10 meters Software Support: Logitech SetPoint Keyboard Low-profile keys Adjustable keyboard height Battery: 2 x AAA Battery Life (not rechargeable): 36 months Special Keys: 15 function keys accessible through "fn" key Mouse Connect/Power: On/Off power button Sensor technology: Advanced optical tracking Battery: 1 x AA Battery Life (not rechargeable): 12 months SYSTEM REQUIREMENTS Windows® 7, Windows 8, Windows 10 or later Chrome OS™ Linux® kernel 2.6+ USB port Keyboard: Height: 137.5 mm, Width: 435.5 mm, Depth: 20.5 mm, Weight: 475 g with 2x AAA battery, Weight: 425 g without battery Mouse: Height: 97.7 mm, Width: 61.5 mm, Depth: 35.2 mm, Weight: 70.5 g