MicShield cuts your mic at the CoreAudio hardware level with a single keystroke, while your MacBook camera notch glows red to show your mute status. • Notch HUD: Glowing red notch when muted, pulses when live • Hardware Mute: Works across Zoom, Teams, Meet & browsers • Safety Net: Auto-mutes on sleep, lock, or AirPods disconnect • 100% Private: Native Swift, Apple-Notarized, zero telemetry 7-day free trial, install via Homebrew or DMG. Lifetime license, no subscriptions.