SPECS & DETAILS:DIMENSIONSKeyboardHeight x Width x Depth:0.98 in (25 mm) x 17.0 in (430 mm) x 8.27 in (210 mm)Weight: 1.62 lbs (733 g including 2xAAA)MouseHeight x Width x Depth:2.0 in (45 mm) x 3.0 in (74 mm) x 5.0 in (115 mm)Weight: 4.8 oz (135 g (including 1XAA battery)SYSTEM REQUIREMENTSKeyboardUnifying Windows® 10 or later, Windows 8, Windows 7 Mac OS X 10.10 or later Chrome OS™Bluetooth Windows 10 or later, Windows 8 Mac OS X 10.10 or later iOS 5 or later Chrome OS Android™ 5.0 or laterMouseUnifying Windows 10 or later, Windows 8, Windows 7 Mac OS X 10.10 or later Chrome OSBluetooth Windows 10 or later, Windows 8 Mac OS X 10.10 or later Chrome OSInternet connection for software download, USB port.TECHNICAL SPECIFICATIONSKeyboardConnection Type: Bluetooth® Smart and 2.4GHz wireless connection Wireless range: 10 m* *Wireless range may vary depending on operating environment and computer setup. Wireless encryption: Yes* *Wireless encryption is between keyboard and the connected computer or mobile device. Battery Details: 2 x AAA Battery life: 36 months* *Keyboard battery life based on two million keystrokes per year in an office environment. Battery life may vary based on user and computing condition.MouseConnection Type: Bluetooth Smart and 2.4GHz wireless connection Wireless range: 10 m* *Wireless range may vary depending on operating environment and computer setup. Battery Details: 1 x AA Battery life: 24 months* *Battery life may vary based on user and computing condition. Sensor technology: Logitech Advanced Optical Tracking Sensor resolution: 1000 dpi Scroll Wheel: Hyperfast Number of buttons: 8PACKAGE CONTENTS Wireless keyboard Wireless mouse Unifying receiver 2 AAA in keyboard, 1 AA battery in mouse (pre-installed) USB range extender cable User documentationWARRANTY INFORMATION 1-Year Limited Hardware WarrantyPART NUMBER US International: PN 920-008219