Conveniently switchSeamlessly connect to three PCs. The two Bluetooth 5.0 and 2.4GHz wireless connection methods allow you to switch easily across your laptop, desktop or 2-in-1 with a click of a button. Easy PairingInstantly pair each device with your compatible Windows 10 system via Bluetooth without having to configure in Settings every time with Microsoft Swift Pairi. Compatibility with Windows, Chrome, Android and Mac provide maximum flexibility across all your devices.Built to lastWith 36 months of battery life, it lasts 3 times longer than its previous generation. Now you do not have be concerned with frequent battery replacements.Simply reliableRest assured of the quality. Should it not work within the 3-year warranty period, Dell’s Advanced Exchange Service ships you a replacement combo the next business day so your work is uninterrupted. Rigorous testing ensures that the combo works perfectly with your Dell system.Precise trackingRapid responses via the 1600 DPI sensor helps you navigate effortlessly, especially across your high-resolution 4K screen. Its optical sensor offers accurate tracking and is ideal for use on most desk surfaces.Easy customizationTilt the keyboard to your desired angle to type comfortably. Program shortcuts for your keyboard and mouse for quick navigation to your preferred applications. The intuitive positioning makes them easy to access every time.Simple ManagementThe Dell Peripheral Manager software lets you customize and manage your keyboards and mice efficiently. Pair devices, program shortcuts, check battery and connectivity status and even deploy latest firmware updates easily.Compatibility2.4Ghz- Windows 7, Windows 8.1 and 10; Mac; Linux (Redhat/Ubuntu); Chrome; and Android OSBluetooth- Windows 8.1 and 10; Mac; Linux (Redhat/Ubuntu); Chrome; and Android OSDell Peripheral Manager- Windows 7, Windows 8.1, 10 or laterWhat’s in the BoxDell Multi-Device Wireless Keyboard and Mouse Combo - KM7120WKeyboard: 2 x AA BatteriesMouse: 1 x AA BatteryDocumentation