Fitbit Charge HR

By Dave Muoio and Laura Lovett October 9, 2018
A peak at Withings' next device? Rumor has it Withings is creating a new fitness tracker at a lower price point. Wearable reports  that a tracker listed by the company as Pulse HR in a recent FCC filing, which could indicate that it will have a heart rate monitor. For the last two year Withings has been part of Nokia’s digital health division. But the department faced challenges from the get go...
fitbit study for patient health outcomes
By Jonah Comstock July 10, 2018
Wearable activity monitors could be useful in assessing the health of cancer patients and making predictions about mortality and adverse events, according to a study published last week in Nature's Digital Medicine partner journal. "An objective evaluation of patient performance status (PS) is difficult because patients spend the majority of their time outside of the clinic, self-report to...
By Heather Mack October 31, 2016
A California federal judge will hear out allegations that Fitbit’s heart rate monitoring technology is inaccurate – which have warranted class action suits both for potential danger to users and misrepresentation to investors. Last week, judge Susan Illston denied the fitness wearable company’s request to dismiss the allegations of a federal securities class action, which claim Fitbit was...
By Aditi Pai April 27, 2016
Dana Farber Cancer Institute has partnered with Fitbit to launch a two-year randomized study that will investigate the impact of weight loss on breast cancer recurrence. The study, called the Breast Cancer Weight Loss (BWEL) study, is sponsored by the National Cancer Institute and the Alliance for Clinical Trials in Oncology. “The increased risk of cancer recurrence linked to excess body weight...
By Jonah Comstock April 11, 2016
Doctors at an emergency room in New Jersey used data from a patient's Fitbit activity tracker -- which they happened to notice on his wrist -- to determine his course of treatment. When the 42-year-old patient showed up in the ER at Our Lady of Lourdes Medical Center in Camden, New Jersey, he had already had a seizure and he had atrial fibrillation. Doctors had to decide whether or not to use an...
By Jonah Comstock January 25, 2016
There’s been much ado lately about Fitbit’s heart rate tracking technology, found in its Fitbit Charge HR and Fitbit Surge trackers. A recent class action lawsuit alleges that the devices are inaccurate and endanger consumers and a second lawsuit says the technology infringes on Valencell’s patents.  Now Consumer Reports, which proclaimed the accuracy of the devices when it reviewed them...
By Jonah Comstock January 21, 2016
Cedars-Sinai Medical Center is embarking on a small study to see if a Fitbit Charge HR can help oncologists assess whether their patients are active enough for chemotherapy. “What we know is that individuals who are up and about tend to be more able to tolerate chemotherapy and have a greater potential for benefitting from it,” Dr. Arvind Shinde, a faculty physician in the departments of...
By Jonah Comstock January 7, 2016
Fitbit is facing yet another class action suit, this time over its heart rate monitoring, which plaintiffs claim is inaccurate to a dangerous degree. “Plaintiffs and many consumers like them have experienced — and testing confirms — that the PurePulse trackers consistently mis-record heart rates by a very significant margin, particularly during exercise,” the suit alleges. “This failure did not...
By Jonah Comstock January 5, 2016
Raleigh, North Carolina-based heart rate sensor company Valencell is suing both Apple and Fitbit over alleged patent infringement, and is accusing Apple of additional deceit as well. A lawsuit filed in North Carolina yesterday alleges that Apple stole the technology that powers the heart rate sensor in the Apple Watch from Valencell, obtaining said technology through insincere partnership...
By Jonah Comstock November 23, 2015
Fitbit Surge Fitbit has added a new functionality to its Fitbit Charge HR and Fitbit Surge trackers that will enable the device to readily distinguish between different kinds of movement, and has also upgraded the heart rate sensors in the trackers. The automatic exercise recognition feature, called SmartTrack, will be automatically pushed out to current users of the two devices in an update. ...