This New Smart UV-Detecting Necklace Aims to Protect You From Sun Damage

A new $90 necklace promises to take the guesswork out of sun protection by detecting UV rays in real time. The smart UV-detecting necklace, reported by CNET, aims to give users precise control over their daily sun exposure through a wearable sensor that connects to a smartphone app. Priced at $90, the device targets the growing market for personal health wearables, especially among outdoor enthusiasts and skincare-conscious consumers.

The product enters a market where traditional methods of UV monitoring—such as SPF ratings and smartphone weather apps—often provide delayed or generalized data. Skin cancer rates have risen globally, with the World Health Organization estimating over 1.5 million new cases annually, making real-time UV exposure tracking a timely innovation. The UV-detecting necklace is designed to be worn all day, continuously measuring ultraviolet radiation and alerting the user when cumulative exposure reaches a dangerous level.

According to the manufacturer's early descriptions, the necklace uses a photodiode sensor that captures both UVA and UVB rays, sending data via Bluetooth to a companion app. The app displays the current UV index, daily dose in standard erythemal units, and provides personalized recommendations based on skin type and location. The device is rechargeable via USB-C and claims a battery life of up to seven days. No specific launch date or company name has been confirmed, but CNET's coverage suggests an imminent release.

Industry observers note that wearable UV sensors have existed for years—such as L'Oréal's My Skin Track UV patch and small clip-on devices—but a necklace form factor is relatively novel. The positioning as a fashion accessory could broaden appeal beyond early tech adopters. However, accuracy remains a key concern; testing by independent labs will be critical for credibility. The UV-detecting necklace must prove it can deliver reliable readings in varied real-world conditions, from direct sun to partial shade.

Looking ahead, this wearable could spark a new category of 'smart jewelry' focused on environmental health threats, not just activity tracking. If successful, expect to see competitors from established fitness brands and maybe even a second generation with added features like sunscreen reminder alarms or skin cancer risk scoring. Consumers should watch for independent reviews before purchasing, but the device's low price point makes it an accessible entry point for many.