Nearby Glasses Android App Detects Smart Glasses via BLE Manufacturer IDs
An Android app called Nearby Glasses was released to alert users when certain camera-equipped smart glasses are nearby by scanning Bluetooth Low Energy (BLE) advertising traffic for manufacturer company IDs (Bluetooth SIG-assigned identifiers) rather than device names, MAC addresses, or service UUIDs, which can be inconsistent or randomized. The app, developed by Yves Jeanrenaud (Darmstadt University of Applied Sciences), runs as a foreground service and triggers notifications when detected devices meet a configurable RSSI threshold (reported default around -75 dBm, roughly 10–15 meters in open space). Reported monitored IDs include Meta/Luxottica and Snapchat-related identifiers, and users can add custom hex values to expand detection.
Reporting highlighted that the approach can generate false positives, particularly from other Bluetooth devices made by the same vendors (e.g., other Meta hardware), and the project documentation warns against using detections to harass people. The app’s emergence is framed as a response to growing privacy concerns and reported misuse of smart glasses for non-consensual recording and demonstrations of real-time facial recognition using glasses paired with public data; coverage also notes legal and regulatory risk areas (e.g., state wiretapping laws) and ongoing debate over the effectiveness of recording indicator lights and the potential for those indicators to be disabled.
Timeline
Feb 26, 2026
Meta reiterates recording-light and legal-compliance position on its smart glasses
In response to concerns highlighted alongside the app's release, Meta said its glasses include a recording indicator light and that users are responsible for complying with applicable laws. Reporting noted ongoing concerns that indicator lights could be disabled and that use of such devices may create privacy and wiretapping-law risks.
Feb 26, 2026
Developer outlines privacy motivation and safeguards for Nearby Glasses
At launch, the project was framed as a response to privacy concerns around smart glasses, including reported non-consensual recording incidents and demonstrations of facial recognition on Meta Ray-Ban glasses. The developer said the app collects no telemetry, may keep only a local log, and warned users not to harass people based on detections.
Feb 26, 2026
Nearby Glasses Android app is released to detect nearby smart glasses
Yves Jeanrenaud of Darmstadt University of Applied Sciences released Nearby Glasses, an Android app that scans Bluetooth Low Energy advertising traffic to alert users when certain smart glasses are nearby. The app identifies devices using stable Bluetooth SIG manufacturer company IDs associated with vendors such as Meta, Luxottica, and Snapchat, while acknowledging possible false positives from other products by the same companies.
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