Part Number920-010251DimensionsMX Keys Keyboard for BusinessHeight: 131.6 mmWidth: 430.2 mmDepth: 20.5 mmWeight: 810 gLogi Bolt USB ReceiverHeight: 18.7 mmWidth: 14.4 mmDepth: 6.1 mmWeight: 1.7 gPackagingHeight: 147.5 mmWidth: 451 mmDepth: 39.5 mmTechnical SpecificationsKeyboard functionsIntegrated numpad, arrow keysMicrophone mute, talk-to-text and other customizable F-Keys1Microphone mute, talk-to-text and other customizable F-keys require Logi Options+ app available on Windows and macOS at logitech.com/optionsplus. Video conferencing app cannot be running in the background. Dictation feature is provided by Windows and macOS and currently available only in select languages and geographies.Battery indicator, Caps Lock indicatorPerfect Stroke keysQuietFluid and preciseSpherically dishedMatte coatingMulti-computer, multi-connectionsEasy-Switch keys to work on up to 3 computersPair up to 6 Logi Bolt products with 1 Logi Bolt receiver2Requires Logi Options+ app available on Windows and macOS at logitech.com/optionsplusMX Keys for Business follows a Logitech Flow technology-enabled mouse from one computer to another, meaning one can type on multiple devices in one fluid workflow3Requires Logi Options+ app available on Windows and macOS at logitech.com/optionsplusSmart backlightingHand proximity sensors turn the backlighting onAmbient light sensors adjust backlight brightnessCustomization appSupported by Logi Options+ on Windows and macOS4Available on Windows and macOS at logitech.com/optionsplusWireless operating distanceUp to 10 meters5Wireless range may vary depending on operating environment and computer setup.Wireless technologyLogi Bolt USB ReceiverBluetooth Low Energy (BLE): 5.0+BatteryRechargeable Li-Po (1500 mAh) batteryFull charge lasts up to 10 days with predefined settings or up to 5 months with backlighting off6Battery life may vary based on user and computing conditions.SustainabilityPlastics: 26% post-consumer recycled material7Excludes plastic in printed wiring assembly (PWA) and packagingAluminum case: Low Carbon AluminumPaper Packaging: FSC-certifiedWarranty Information2-Year Limited Hardware Warranty