The startup Luffu has launched the Luffu Link bracelet, a wearable device with LTE connectivity designed to collect daily health metrics, record voice notes, share location, and enable users to request help from trusted contacts without needing a nearby phone. The company was founded by James Park and Eric Friedman, who are also Fitbit co-founders.
Link is currently available for preorder at $250, a discounted price compared with the expected retail price of $300. The company says shipping will begin in early 2027. The bracelet comes in three colors: Halo Gold, Onyx Black, and Sterling Blue.
A Bracelet Within a Family Care Ecosystem
Luffu does not present the device solely as a traditional fitness tracker, but as part of a broader family-care ecosystem. Link connects to the Luffu health app, which the company launched earlier this year and which uses artificial intelligence to collect and organize family members’ information, identify daily patterns, and flag notable changes.
The company says the idea arose from the founders’ experience caring for their families and aging parents. The product targets family caregivers, older adults who are able to live independently, and adults interested in monitoring their health and safety. Rather than relying on repeated check-ins or a dashboard filled with charts, Luffu aims to connect data with the family’s daily context.
What Does Link Do in Practice?
Users can press a button on the bracelet to record a voice note about medication, a health symptom, a meal, a mood, or a reminder. The app organizes this information and adds it to the family’s broader context. The device also continuously collects data including activity, sleep, resting heart rate, calories burned, heart-rate variability (HRV), and respiratory rate.
Luffu uses this data to monitor patterns and changes over time. According to Park’s explanation, the system can notice an unusual decline in activity or a change in sleep, then connect it with other information, such as starting a new medication, to help answer questions like: What changed? And does it warrant notifying someone else?
The bracelet includes built-in GPS for sharing the user’s location with trusted contacts, including places the user has visited and whether they have entered or left designated areas. A quick double press also sends a check-in notification to family members without making a call or writing a message. With LTE built in, users can send a help request directly, while the company says the data service is included and does not require a separate carrier plan.
In one example provided by Luffu, a user can say a message such as: “I fell and hurt my wrist. Can someone come?” Link sends the voice message to trusted family members along with the user’s location, battery level, and health data such as heart rate and recent activity.
Why Does This Launch Matter?
The fundamental change here is not the addition of a new health sensor, but the combination of health monitoring, family communication, location tracking, and help requests in a device independent of a phone. This places Link in a different space from fitness devices focused on individual users, even if it relies on similar metrics.
However, the material does not yet answer practical questions, including details about battery life, LTE coverage, mechanisms for protecting health and location data, and whether the device will receive medical certification or remain a consumer product for monitoring and alerts. The early 2027 shipping date also means that the product’s advertised capabilities are tied to a product that has not yet reached users. Luffu says it is also working on a home device that will expand its family-care ecosystem, without disclosing additional details.