![]() Speaking of, the Ionic will also track your sleep the way previous Fitbits (like the Alta HR and Charge 2) do. Fitbit says relative change in blood oxygen can be used to detect and understand sleep apnea, but that's something that will be implemented later. ![]() The optical system uses a combination of LEDs and a camera to detect your blood oxygen and calculate the relative rate of change. I was pleasantly surprised when the Ionic calculated that I had clocked four and a half 20-meter laps - quite accurate considering I had walked about halfway back before stopping the workout.īy subscribing, you are agreeing to Engadget's Terms and Privacy Policy.įor now, it isn't clear how Fitbit intends to integrate the SpO2 sensor data. Still, I set it to 50 yards (the lowest available setting) and quickly swam four laps. The company's reps suggested I set my pool's length in the app before starting, but it didn't have an option for my relatively small (20–25 meters) facility. Fitbit uses your location information to track laps, and this worked well during my brief test. I tested the Ionic's onboard GPS and water resistance when I took it to the pool one evening. It would be more convenient if Fitbit added the option to use your camera to scan those details from your card, but the existing system works fine. Loading a card on the watch is slightly tedious you'll have to open Fitbit on your phone, find the Wallet app and enter your card number, name and address. I just had to hold down the left button until the image of the card appeared, then tap the watch face against the payment terminal. I tried it out at a pop-up shop the company set up and was pleased with how easy the process was. ![]() ![]() That last component enables the new Fitbit Pay service, which will be accepted anywhere Mastercard, Visa and Amex contactless payments are supported. In addition to a brilliant display, you'll get an updated heart rate monitor, a new SpO2 blood oxygen sensor (more on that later), onboard GPS and NFC. Fitbit sees the Ionic as its flagship device, and naturally the company stuffed it full of features.
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