Did you know Ray-Ban Meta smart glasses broadcast a Bluetooth signal constantly while being worn? Anyone nearby can be recording without you ever knowing. Nearby Lens passively listens for those signals and alerts you the moment smart glasses are detected nearby — no pairing, no GPS, no setup required. **How it works** Smart glasses like Ray-Ban Meta, Snap Spectacles, and Vuzix continuously advertise their presence via Bluetooth Low Energy. Nearby Lens captures those signals, scores them by confidence, and notifies you with an estimated distance. **What it detects** — Ray-Ban Meta glasses — Snap Spectacles — Vuzix smart glasses — XREAL / Nreal — Rokid, RayNeo, Solos, and more **Features** — Real-time detection with confidence scoring — Estimated distance in meters — Background scanning with Dynamic Island live status — Lock Screen and Home Screen widgets — Siri shortcuts: "Start glasses scan" — Instant notification with brand and distance — Detection history with tap to copy — Share your detection log — No GPS, no microphone, no data leaves your device — Device identifiers are hashed before display **Privacy first** Nearby Lens requires only Bluetooth permission. It never collects, stores, or transmits personal data. MAC addresses are hashed locally and never shared.