Mic Check Pro — Instant Microphone Test for Chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "version": "1.1.0",
    "name": "Mic Check Pro \u2014 Instant Microphone Test for Chrome",
    "description": "Ensure your microphone works perfectly! Instant check, real-time volume meter, audio recording. Free, secure, and no setup required.",
    "action": {
        "default_popup": "index.html",
        "default_icon": {
            "16": "icon16.png",
            "48": "icon48.png",
            "128": "icon128.png"
        }
    },
    "permissions": [],
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    }
}