ChatGPT - Lets Talk is a free Chrome extension developed by Ejaz Bawasa. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. The main purpose of this extension is to add voice chat functionality to ChatGPT, allowing users to interact with the AI using their microphone.

The extension does not require any third-party libraries or external network/API calls. It is created using native JavaScript and utilizes the capabilities available in the browser. The user interface is minimal, with only keyboard shortcuts provided to control the extension.

To use the voice chat feature, users can ask questions using their microphone by pressing the following key combination simultaneously: Alt + Shift + F on Windows or Option + Shift + F on Mac. The extension will actively listen and submit the question. The generated answer will be read out loud automatically.

Additionally, users can make ChatGPT repeat its last answer by pressing Alt + Shift + J on Windows or Option + Shift + J on Mac. To stop the voice while it's reading the answer, users can press Alt + Shift + P on Windows or Option + Shift + P on Mac.

Overall, ChatGPT - Lets Talk offers a convenient way to engage with ChatGPT through voice chat, enhancing the user experience and making interactions more accessible.