Logitech Alto Keys K98M Wireless mechanical keyboard with UniCushion echnical Specifications General Specifications Easy-switch: Connect up to 3 devices and switch between them Backlighting: Yes, white color Total number of keys: 98 Special Keys: 3 actions keys for customization (AI feature, etc) Battery & Charging Battery life: Rechargeable, 12 months of wireless use (backlighting turned off) System Requirements Requirements: Bluetooth Low Energy; USB-A port; Windows* 10, 11 or later; macOS* 11 or later; Linux*; ChromeOS*; iPadOS* 14 or later; iOS* 14 or later; Android* 9.0 or later Bluetooth: Yes Logi Bolt USB receiver: Yes Customization app: Supported by Logi Options+ on Windows and macOS only. Important: *1) Customize device by installing the Logi Options+App available for recent versions of Windows and macOS at app.logi.com. 2) Logi Options+App is currently not supported. The device’s basic functions will work without it.