Silent ClickSupports pairing of three devicesDual layout for Mac and WindowsPremium Power-Saving TechnologyMultimedia Function  KeysStable & Reliable two-mode connectivity: Designed with our ultra-stable two-mode technology,which suports wireless connectivity through 2.4Ghz and BT for up to 10 metersas well as USB connectivity.Purely Silent Design Without Distraction: Designed with our premium silent switches,providing peace of mind while in use. Purely quiet and comfortable without distractions.