Logitech Wireless Mk 220 Keyboard Mouse Combo

Connectivity2.4 GHz wireless (up to 10 meters / 33 feet) via USB nano receiverSecurity128-bit AES keyboard encryptionKeyboard Dimensions381 mm × 112 mm × 17.78 mm (L × W × H)Keyboard Weight~320 g (with batteries)Keyboard LayoutCompact with a 10-key number padKeyboard Battery2 × AAA batteries (Up to 24-month battery life)Mouse Dimensions107 mm × 60 mm × 40 mm (L × W × H)Mouse Weight112 gMouse StyleAmbidextrous, 3 buttons, optical trackingMouse Battery1 or 2 × AA batteries (varies by model; up to 5-12 month life)CompatibilityWindows 10, 11 or later, ChromeOS