Windows 7, Windows 8, Windows 10 or later Chrome OSTM 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) 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