KingAcc Fitbit Charge 2 Charger, Replacement USB Charging Cable Cord Charger Cradle Dock Adapter for Fitbit Charge 2, Fitness Tracker Wristband Smart Watch (3.3Foot/1meter, 1-Pack)

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There are few wearables that compare directly to the Fitbit Charge 6. It’s a petite band, not a watch. But where that style is typically home to simple and feature-light watches, this one has a bunch of advanced elements seen in the Fitbit Sense 2. In the gym we found the Fitbit Charge 6’s monitoring performed okay at times, but could be slow to react to the additional exertion of a set. And in classic so-so heart rate accuracy fashion, the band tends to mess up quite badly in the first 5-10 minutes of a run before usually finding its feet, at least in consistent runs rather than interval sets. A Fitbit Charge 6 weighs 37g according to some spec run-downs, although our scales say it’s just 30g. While that’s fractionally heavier than the Charge 5’s 28g, this remains an ultra-light wearable that you can easily keep on 24/7. I did find that its rear left a notable red mark on my wrist on one occasion, but that was once over weeks of use, and was likely the result of over-tightening the strap.

You’ll see its stamina drop significantly if you use the always-on screen mode, which makes the Charge 6 a better watch as the time is displayed all day. But the beauty of this design is that you can wear the Charge with a normal watch without looking too silly.Navigating the watch and its apps is done through a series of taps and swipes on the touch screen and using the side button. I found using apps like YouTube Music to be a little cumbersome due to the size of the display, limiting the number of buttons and controls that can be shown at any given time.

What the Fitbit Charge 6 alerts you about during exercise by default is different to the sports watch norm too. You’ll feel a little vibration buzz when you go from one heart rate zone to another. This can be just a handy little reminder of how hard you’re working in the early stages of a workout, or a more meaningful alert if you’re aiming for a currently trendy ‘zone 2’ low-exertion session. This is a highly useful feature, and Fitbit expanded it out a while ago with passive heart rate alerts. It’s not an ECG, but you do get alerts if the Charge 6 notices anything odd.You take around 30 seconds out of your day, with finger and thumb on the side of the watch, to see if something might be up with your heart. It failed about 50% of the time in my tests, but only because of an unusually low resting heart rate. And the experience is actually pretty neat, with a graph that shows what the watch is ‘seeing’ in real time. An EDA asks you to sit still for three minutes, with your finger and thumb on the watch surround. The act of doing this is obviously going to affect your stress level, though, making it of limited use. Plus, it’s just not something most people are likely to do regularly. When you're sleeping, the Charge 6 monitors your Sp02, or blood oxygen level, along with your skin temperature and the number of breaths you take per minute. Is Premium worth it? You can decide for yourself, as the Fitbit Charge 6 comes with a 6-month free trial, or read our Fitbit Premium review and our guide to the best fitness apps. Well, other than sleep data not appearing on the watch until after you sync with your phone. You can’t just look to your wrist after you wake up, as you might with the Garmin Venu 3’s Morning Report feature. This is likely down to the phone app doing some of the data processing legwork.