# A $399 Smart Ring Aims to Replace the 150-Year-Old Blood Pressure Cuff

> **Open Intelligence Dossier** · First detected: 2026-07-16 16:07 UTC · Category: Technology

## Executive Summary
Vital Signals has unveiled the Signal Ring, a $399 wearable claiming to provide cuffless, continuous blood pressure monitoring without the need for calibration.

## Intelligence Brief
A new wearable device called the Signal Ring, developed by Vital Signals, is attempting to disrupt the 150-year-old standard of blood pressure monitoring by removing the need for a traditional cuff. Priced at $399, the device is designed for everyday wear and promises to provide reliable, continuous blood pressure tracking. According to reports from Morningstar, the company describes the device as the world's first truly cuffless blood pressure tracker. Unlike previous iterations of wearable health tech, the Signal Ring reportedly does not require calibration to function, promising a streamlined user experience for monitoring cardiovascular health in real-time. Coverage across several major technology and business outlets emphasizes the competitive leap this device represents over existing industry leaders.


CNET and Notebookcheck both highlight the ring's ability to deliver accurate tracking without a cuff, with Notebookcheck noting that the device promises what some might consider impossible. Engadget and Yahoo Tech focus on the continuous nature of the monitoring provided by Vital Signals. Meanwhile, Bloomberg.com explicitly frames the $399 price point as a direct challenge to the long-standing blood pressure cuff, suggesting a shift in how consumers may track their vitals on a daily basis. The industry context reveals a significant gap in current wearable capabilities, specifically concerning Apple and Oura. Reports from 9to5Mac and The Mac Observer point out that the Signal Ring performs a function that the Apple Watch still cannot achieve.


Specifically, 9to5Mac notes that the Signal Ring provides actual blood pressure readings, whereas the Apple Watch is limited to alerts. Digital Trends further supports this by stating that the Signal Ring is making a blood pressure promise that neither Apple nor Oura have been willing or able to deliver to their users thus far. Looking ahead, the primary focus remains on whether the Signal Ring can maintain its promise of reliability without calibration in real-world settings. Future updates will likely center on the device's adoption rate given its $399 cost and how competing tech giants like Apple or Oura respond to this new capability. Based on the provided coverage, the central point of interest is the transition from periodic, cuff-based measurements to the continuous, cuffless monitoring model introduced by Vital Signals and their Signal Ring technology.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Notebookcheck | Reliable blood pressure monitoring without cuff or calibration: A new smart ring promises the impossible | [Source Link](https://news.google.com/rss/articles/CBMi4gFBVV95cUxNODU3aG9rbTdJdFpWQlItOXd1cHFScktEaEo2U0FCTTktX0FoZUZFem92cUdSTGs0djQ2VnB1T2wtS2Q5Z1p0WUlMRkNKaFFER1Ita1B3cGUxV0h4QXJ5SUNySjZ4bVdhOFhPSHAwbXdhN3UwUldUNDFhaXFYRWh3dm5WQlU2Q0x1SzV6ek82TWlUamR4YUtvRjROQWlHNGE0WjhsYjJVMkR4dmc2bmwtanpYbXB4cjFHdWxwbXRTeWlqcGtNNmc1NElEaWhwV3NuZ0ZJMjB0REUtSU5KbVNFWldB?oc=5) |
| CNET | New Smart Ring Says It Can Deliver Accurate Blood Pressure Tracking Without a Cuff | [Source Link](https://news.google.com/rss/articles/CBMivAFBVV95cUxNbERjM0lwMXU2VnctZTYwRG9pajNQWEJhVmpkcWlHa1RiNk1jLTJhWEdmOG5OdVpfcUI4R3lUWnRnVXdsaHBQVXQwWmZnRmpwUE9HQ1ZieEJfcjB6Uk02VFk2UE0tM01pWFh6RmVBRGtCZnVhSTc0NzhDa0xQaDQ2VG5Ycy1SR29DbEZOMFRpc3BFRnZIY2RBTWFJeHpQNUVpeWhqNHJmYkRkeXFPU3BSUkExbGlQOWt6Y1JxNA?oc=5) |
| The Mac Observer | New Smart Ring Does What Apple Watch Still Can’t With Blood Pressure | [Source Link](https://news.google.com/rss/articles/CBMiowFBVV95cUxNM0ozM0JfRzl1VjFDZVE3RUJuaG9jRURHS0VCeFRLVWswUHcyZjJPTGpsR0dRMkN4QkhJaGFvaUtWczJ0NHNwTlNXUUFKa1NtYnRJWTk4enFsWWZWSjVwYnFNVDd3emhYYmY4dWFfOWRpcXFHSUJrX1hBSkV0R2owMHZOVUwxNDNEb3BhWXd0ZWlJdGY0NkR6cUVUYUxPdzdicW5v?oc=5) |
| Notebookcheck | Reliable blood pressure monitoring without cuff or calibration: A new smart ring pomises the impossible | [Source Link](https://news.google.com/rss/articles/CBMi4AFBVV95cUxPNkZieEFnbzg0S0ZtaHM5RGxKOFNEanFqYkltS0M5enVMc3EwbjVxNXlmc1dZSjM2RTFyTGhZcjBYUUhRQlcxT3VoOWEtUV9FY1RQMDN6bW1DbHlyN0xWdUhJZU9IcF95UGhSMTZndmpHbVVnZl9oQ3VNWnZwYkdOY2hObGVDcXRMTFFmMUp3VUVQQ3BvbEx3OUFhazA0QVVpX3FYRUVpRnJ0c0RiMThxNmR2TXZYRVlkR3dsVUhBdnh3U1RybkpTMUV0Qk1Ickx6cnJLWGZqRnkydWdJOEVHSQ?oc=5) |
| Engadget | Vital Signals Puts Continuous Blood Pressure Monitoring Into A Ring | [Source Link](https://news.google.com/rss/articles/CBMidkFVX3lxTFB1MDVRdGEwa0JEVWFKWlpNRDVOWWszV3ZXZjZoQmpTYS1iLXZNUGhzZG5uaXpybjZRZElVS3J2bGdWV1hCWFJYQXdQWlAxWDRUV2VLb3hjY1JhWDdzQXctS052ZzUyTjdxREtMU3l4Z2lMOTAwYVE?oc=5) |
| 9to5Mac | Signal Ring gives blood pressure readings, not just alerts like Apple Watch | [Source Link](https://news.google.com/rss/articles/CBMiqgFBVV95cUxOZXcxUUhFV1BYdU9SYXdVbFhXVVdsb2hBdEF2azlYbTNNN0tGTGJtUkc5a1BrNmNhdjFBRlpWdy1XenpOcDdXTWNVdlJrdWZvZ1pQdE1vZDluM09aTmlHeEVyOTlMUmg1LTUwM0pXWk83SXlGLTJOUnhteFNxbW5yaWtpZW5SamV0QlFQaGY3eFJONGVhZjhwbU1Yci1JWHRXWHdUQjdXQlNrZw?oc=5) |
| Digital Trends | This smart ring makes a blood pressure promise Apple and Oura still won’t | [Source Link](https://news.google.com/rss/articles/CBMiswFBVV95cUxQVWxMaHNPUWRaWnRnTlA5bE9jZmQwNjZJb0dVU05OX1BUQUpfcUd6MzdJMVVaOWprNGFaQnZ3VkhRYWtGa3BiT1pwbzl3Wm5FanBCMTZGa0h3OUpoZ3pJSkxDcWxGTTg2WVZXV2pvVjFlZkFuVVp4ZEc2RGFwcUFvZDdPTVpZNWVhenN2LTU5ZVhSNEhuTlBvOU1FT3ozVmF1OWdkTUo1dWNVSlVVbl9Vek5Ncw?oc=5) |
| Yahoo Tech | Vital Signals Puts Continuous Blood Pressure Monitoring Into A Ring | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxPUWVwWUhvajVGLW5mVDgtV3NoZ0M5V01jeVY4UHEzZ0hoLXNLWHlCaEc5cG10MXduWE1XaE1FdHRtR1pWODBoX0p1cURnZVNhSmp6QjdNVVd5LUYwMWhTSjE3Q1JJZTluUlVnaFdXY3BoY0Jpc0p6LWx1M0ZHclV4aUJzSFd6TWNaWFhxRlV6TWF0a3pqWU93?oc=5) |
| Morningstar | Signal Ring Unveils World's First Truly Cuffless Blood Pressure Tracker for Everyday Wear | [Source Link](https://news.google.com/rss/articles/CBMi4wFBVV95cUxOQm5sVzhLY1JfRkxPMDg0bFY2cEluR1BfOW13azlrZGt4MVBkSWlDd1VJS1BNbUJhVzVtck1rbThZcDBSckJoSk1XYl8ybGRMMFIyVmhPQ2ZSVmdrMTRubEI5TUxfZFdfWU5TanFVamt0RHBhcW1NamN2cGxrTV9KMnprUGhWcnMtYlBlR09ZMWYwNzlUVU5DWmhSVFo1VnEyZUJUaWlZRXFXazhVZXZoT1kyUFhEVDFXVmJRenQxTlJoZXlmMko4SmY4NUwtbzJENU5icUxIQWh0SFNRelRJVVMwSQ?oc=5) |
| Bloomberg.com | A $399 Smart Ring Aims to Replace the 150-Year-Old Blood Pressure Cuff | [Source Link](https://news.google.com/rss/articles/CBMiwwFBVV95cUxNYVR5S0dLbElER3JuR2ZocEhEazhJLW1Ebl9ubkxoR3VkdkJycEJQNlM2dWRDTEdhSmJYOV9KWXdfenNUN3pITDdPNjZrdnRZMFgwWnJVWmxNbmdMWVBPZmdENDhIZWxzZ3dlQlpFTXNjZFFYS0ZvcnNNVjBmRUE2TTl0TUJudkZ4RjNmM3BNb3BsdTlaRGU4ZHRMTEhYQ0IxajRFQV9CWFVtX3NjRDBmNnlXQW55WHJOUVFQc2tXSWtNdVU?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-07-16/a-399-smart-ring-aims-to-replace-the-150-year-old-blood-pressure-cuff*