Smart Glasses as ‘Walking Cameras’: Privacy at Risk

Smart glasses are transforming how millions of people capture their daily lives, but as the technology becomes more discreet and powerful, a pressing question has emerged: where exactly does the line between legitimate recording and covert surveillance lie? With sales surging across China and incidents of misuse on the rise, legal experts, regulators, and industry leaders are grappling with how to protect privacy in an era of wearable cameras.

According to Workers’ Daily, Ministry of Commerce data shows that sales of smart glasses on major platforms grew 150% year-on-year in the first half of 2026. The market boom has been fueled by technological advances—mainstream products now feature lens transmittance above 85%, weigh under 50 grams, and offer roughly nine hours of battery life. In 2026, smart glasses were included in China’s national trade-in subsidy program for the first time, pushing entry-level prices below 1,000 yuan after subsidies.

A Booming Market with Hidden Risks

International Data Corporation (IDC) figures cited by China News Service show that global smart glasses shipments reached 14.773 million units in 2025, with China accounting for 2.46 million units—a year-on-year increase of 87.1%, far outpacing the global average growth rate of 44.2%. IDC projects China’s broader smart glasses market could reach 4.915 million units in 2026, up another 77.7%.

For many users, the appeal is obvious. Zhao Zihao, a smart glasses owner from Wenzhou, told Workers’ Daily that recording his fishing trips is far more convenient than pulling out a phone or camera. “The unique value of this product is combining recording with stylish sunglasses for lightweight wear,” he said. He also noted that many short-video creators have adopted smart glasses as efficient content creation tools.

However, the same features that make these devices appealing also create new vulnerabilities. The camera sits close to the wearer’s line of sight, making recording far harder to detect than with a phone. As products become increasingly indistinguishable from ordinary eyewear, the risk of covert recording grows.

The Flight Attendant Incident That Sparked Debate

In June 2026, a passenger on a Spring Airlines flight used smart glasses to secretly film flight attendants during boarding and posted the video online, triggering widespread public concern. The incident, reported by Red Star News, led to a swift response from both the airline and Rokid, the glasses manufacturer. Rokid launched a special rectification, removed infringing content, and committed to increasing “no secret filming” prompts in its products.

Investigative reporting by Xiaoxiang Morning Herald revealed that the problem extends beyond a single incident. Journalists found numerous videos in the Rokid user community showing people being filmed without their knowledge in public spaces—from diners at restaurants to pedestrians in parks. Even more concerning, e-commerce platforms sell “light-blocking stickers” for just a few yuan that cover recording indicator lights, enabling completely undetectable filming. One such product had sold more than 6,000 units, marketed with the claim “records without light, no alarm trigger.”

Field tests conducted by Xiaoxiang Morning Herald confirmed the effectiveness of these stickers. Reporters wearing smart glasses with light-blocking film walked through office buildings and convenience stores without anyone noticing they were recording. The recording indicator sound was so faint that even people standing 10 centimeters away could not hear it.

Legal Boundaries and Accountability

Lu Yutong, a lecturer at Renmin University Law School, told Workers’ Daily that under China’s Civil Code, even in public places, secretly filming someone’s portrait or private activities with smart glasses constitutes an infringement of portrait and privacy rights. The challenge, she noted, lies in detection and evidence collection—victims often only discover they were filmed after images have already spread online.

Legal experts cited by Red Star News and Xiaoxiang Morning Herald emphasized that unauthorized filming and publishing carries civil, administrative, and even criminal liability. Fu Jian, director of Henan Zejin Law Firm, noted that infringement of portrait rights does not require a profit motive—simply filming and publishing without consent is sufficient grounds for civil liability. Wan Qi, a lawyer at Hunan Jinzhou Law Firm, added that sellers of light-blocking stickers could face joint liability for facilitating covert recording.

Beyond protecting those being filmed, experts warn about data security for users themselves. Smart glasses often collect biometric data—including voiceprints and eye-tracking patterns—to power voice assistants and gesture recognition. Under China’s Personal Information Protection Law, these are classified as sensitive personal information requiring specific purposes and separate consent. Lu Yutong noted that current “blanket authorization” agreements used by most manufacturers do not give users the option to consent to different categories of data separately.

Industry Self-Regulation and Regulatory Response

In June 2026, the Ministry of Industry and Information Technology guided the release of the AI Glasses Trustworthy Vision Self-Regulation Convention at the AI Glasses Ecosystem Conference. Ten leading companies, including Thunderbird, Huawei, and ZTE, signed the convention, which aims to establish transparent safeguards between privacy protection and data utilization.

Guangzhou Daily reported that Rokid responded to the flight attendant incident by launching a special rectification, cleaning up infringing content, and working with other platforms to remove light-blocking sticker products. The company also committed to upgrading sensor accessories and underlying protection algorithms in future products.

The misuse of smart glasses extends beyond covert filming. A college student was caught using smart glasses to cheat on a final exam, and before the 2026 gaokao, the Ministry of Education warned that bringing smart glasses into exam halls would constitute cheating. China Youth Daily noted that in March 2025, four ministries launched a personal information protection campaign that included smart terminals, and called for algorithmic controls to restrict recording in sensitive areas like restrooms and changing rooms.

A Global Privacy Challenge

The privacy concerns surrounding smart glasses are not unique to China. In Europe, Meta’s Ray-Ban smart glasses have drawn criticism for their small indicator LEDs, and an independent developer created an app called “Nearby Glasses” that detects nearby smart glasses—it has been downloaded more than 120,000 times. In the United States, a class-action lawsuit has been filed against Meta over privacy issues with its Ray-Ban Meta glasses, and the EU AI Act classifies biometric surveillance as high-risk.

What’s Next

As smart glasses continue to evolve and integrate more deeply into daily life, experts say a comprehensive regulatory framework is needed. Lu Yutong called on regulators to establish detailed standards for new smart terminals, including requirements for information collection permissions, recording status indicators, and encryption of sensitive data. She emphasized the need to balance technological innovation with the protection of personality rights.

Content sharing platforms should strengthen authorization verification and takedown mechanisms, while e-commerce platforms should tighten oversight of products designed to circumvent recording indicators. Users entering classrooms, medical facilities, or changing rooms should proactively confirm the rules rather than assuming “public spaces” give them free rein.

The challenge ahead is significant: how to preserve the legitimate benefits of wearable technology while preventing its abuse. As Guangming Net noted, the faster technology advances, the more quickly regulatory guardrails must keep pace. Only with clear rules can technology be guided toward beneficial use—and privacy boundaries be maintained in an age of walking cameras.