Part of MK650 collection Logi Bolt USB receiver with level 4 protection and Bluetooth Low Energy wireless technology with security mode 1 establish stable and secure connection to your devices Contoured mouse and integrated palm rest on the keyboard offer ultimate comfort and convenience SilentTouch technology ensures 90% less click sound for silent operation 24-month battery life for the mouse and 36-month battery life for the keyboard offer great performance Works with Windows, macOS, Linux, Chrome OS, iPadOS, and Android operating systems