Keyboard Mouse Logitech MK235

System Requirements -Windows 7, Windows 8, Windows 10 or later -Chrome OS -Linux kernel 2.6+ -USB port Keyboard Height: 137.5 mm (5.41 in) Width: 435.5 mm (17.15 in) Depth: 20.5 mm (0.81 in) Weight: 475 g (1.05 lb) with 2x AAA battery Weight: 425 g (15.0 oz) without battery Mouse Height: 97.7 mm (3.85 in) Width: 61.5 mm (2.42 in) Depth: 35.2 mm (1.39 in) Weight: 70.5 g (2.49 oz) Nano Receiver Height: 18.7 mm (0.74 in) Width: 14.4 mm (0.57 in) Depth: 6.6 mm (0.24 in) Weight: 2.0 g (0.07 oz) Warranty Information 1-Year Limited Hardware Warranty Package Contents -Keyboard -Mouse -Wireless receiver -User Documents -2 AAA batteries for keyboard -1 AA battery for mouse Connection Type: Logitech non-unifying protocol (2.4GHz) with Nano USB receiver Wireless Range: 10 meters / 33 feet Wireless encryption: 128-bit Advanced Encryption Standard (AES) between devices and receiver 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 #34;fn #34; key Mouse Connect/Power: On/Off power button Sensor technology: Advanced optical tracking Battery: 1 x AA Battery Life (not rechargeable): 12 months Familiar keyboard layout No learning curve involved. You will enjoy the comfort and simplicity of a traditional full-size keyboard layout from day one. Long battery life Type as long as three years between battery changes and use your mouse for up to a year before replacing the battery. The three year battery life prediction is based on approximately two million keystrokes per year in an office environment. Like all batteries, your experience may vary based on the use and computing conditions.