Chroma connect: This module lets you control and set up the lighting effects of your Razer RGB devices.Manage profiles, switch between lighting effects and more. Alexa: Use Amazon’s voice service on supported devices, including Razer Chroma.The very first thing you need to do is decide which modules to install, along with the primary Razer Synapse program. exe file to start the installation process. To download Razer Synapse 3, click the download button on this page, then double click on the.