Dell Pro Compact Silent Keyboard and Mouse - KM555 - US International (QWERTY), Keyswitch Technology: Plunger, Keyboard/Keypad Connectivity Technology: Wireless, Keyboard/Keypad Wireless Technology: Bluetooth/RF, Keyboard/Keypad Wireless Operating Frequency: 2.40 GHz, Keyboard/Keypad Features: Quiet Keys, Spill Resistant, Programmable Keys, Adjustable Tilt, Hot Keys: CoPilot, Back, Multimedia, Volume Down, Forward, Volume Up, Mute, Play/Pause, Bluetooth Version: 5.1, Pointing Device Type: Mouse, Pointing Device Wireless Technology: Bluetooth/RF, Pointing Device Wireless Operating Frequency: 2.40 GHz, Movement Detection: Optical, Movement Resolution (dpi): 4020, Number of Total Buttons: 3, Scroller Type: Scroll Wheel, Ergonomic Fit: Symmetrical, Keyboard/Keypad Host Interface: USB, Pointing Device Host Interface: USB, Wireless Receiver Interface: USB, Battery Size Supported: AA, AAA, Keyboard/Keypad Color: Black, Pointing Device Color: Black, Keyboard/Keypad Height: 26 mm, Keyboard/Keypad Width: 399 mm, Keyboard/Keypad Depth: 127 mm, Pointing Device Height: 38 mm, Pointing Device Width: 60 mm, Pointing Device Depth: 105 mm, Keyboard/Keypad Weight (Approximate): 406 g, Pointing Device Weight (Approximate): 67 g, Operating System Compatibility: Red Hat Enterprise Linux 8, Android, ChromeOS, Ubuntu 18.04, Mac OS, Windows 11, Windows 10, Windows 8.1, Windows 7, Platform Supported: Mac, PC.