Logitech MK235 Wireless Keyboard and Mouse

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 Keyboard Weight: 475 g with 2x AAA battery Mouse Weight: 70.5 g Nano Receiver Weight: 2.0 g   SYSTEM REQUIREMENTS Windows® 7, Windows 8, Windows 10 or later, Chrome OS™, Linux® kernel 2.6+, USB port