Part of MK650 collectionLogi Bolt USB receiver with level 4 protection and Bluetooth Low Energy wireless technology with security mode 1 establish stable and secure connection to your devicesContoured mouse and integrated palm rest on the keyboard offer ultimate comfort and convenienceSilentTouch technology ensures 90% less click sound for silent operation24-month battery life for the mouse and 36-month battery life for the keyboard offer great performanceWorks with Windows, macOS, Linux, Chrome OS, iPadOS, and Android operating systems