"OK Chrome" for Voice Actions for Chrome is a premium add-on for the Voice Actions for Chrome extension. With this add-on, users can activate Voice Actions for Chrome using their voice. By simply saying "OK Chrome," users can access voice search, switch tabs, get directions, and perform other actions, all hands-free.

One of the key features of this add-on is its privacy settings. "OK Chrome" for Voice Actions for Chrome runs as a separate extension, allowing users to disable it if needed. Additionally, the main Voice Actions for Chrome extension will never listen in the background, ensuring user privacy.

In terms of permissions, this add-on requires access to the user's installed extensions to verify that the main Voice Actions for Chrome extension is installed. It also utilizes ExtensionPay.com for payment processing.

For updates and more information, users can follow the official Facebook page and Twitter account for Chrome Voice Actions. The add-on was created by Zachary Yaro, and additional information and the source code can be found on the provided links.