Dell Premier Multi-Device Keyboard and Mouse KM7321WGY-US/580AJIX - Experience great multitasking features with a stylish and comfortable premium keyboard and mouse combo. Compatibility: Android Mac PC Input Device - Product Type: Keyboard and mouse set Connectivity Technology: Wireless Interface: 2.4 GHz Bluetooth 5.0 Wireless Receiver: USB wireless receiver Keyboard Type: Keyboard Key/Button Function: Mute Volume Keyboard Layout: QWERTY Keyboard Localization: English Keyboard Technology: Scissors. Input Device (2nd) - Type: Mouse Connectivity Technology: Wireless Movement Resolution: 4000 dpi Movement Detection Technology: Optical Buttons Qty: 7 Supported Battery Type: AA x 1 Battery Included Qty: 1. Software - Type: Dell Peripheral Manager (Windows only). System Requirements - OS Required: Android Apple MacOS Google Chrome OS Microsoft Windows 7 / 8.1 / 10 Red Hat Enterprise Linux 8.0 Ubuntu 18.04. Miscellaneous: Color: Titan gray Color Category: Gray Included Accessories: 2 AAA batteries AA battery Compliant Standards: AES-128. Service & Support: 3 Year Warranty Service & Support: Limited warranty - advanced exchange program - 3 years.