Fitbit Charge 4, the model you decide to buy depends on what you’re looking for out of a fitness tracker. Now that you know the key differences between the Fitbit Charge 5 vs. If you decide to have GPS, heart rate monitoring and the always-on display turned on all the time, you can probably expect to charge your tracker every couple of days. Though Fitbit estimates both the Charge 5 and Charge 4 have seven days of battery life, your experience will differ based on how you use your fitness tracker. Good news, you can usually try it out for a few months free when you buy a new Fitbit device. Fitbit Premium also has more robust metrics, nutrition facts and guided exercises. All guided breathing and relaxation sessions take place Fitbit app, while you’ll need a Fitbit Premium membership to access most of the mindfulness tools. It doesn’t support Spotify music controls anymore and there’s no weather app. The Series 7 comes in 41MM and 45MM.Fitbit took some features off the Fitbit Charge 5, too. Take the measurement of the distance between the lugs (where the watch strap fits).įor Apple Watches the you have the choice between 38MM, 40MM, 42MM & 44MM, you can also enter your watch model number into a search engine to find what size your watch uses.Īpple Watch 7: The recently released Apple Watch 7 is compatible with most our bands. If you cant find the size on the back place the watch with the watch face facing up. Your Apple watch will say the measurement on the back. In such a scenario, you will need the watches' band width size, also know as the watch lug width size. In certain cases, knowing your wrist size alone may not be sufficient. What is the watch band width / watch lug measurement? Check your wrist size against the size of the strap that you wish to purchase on the individual product details page.įrom there, you can select and purchase our watch straps: Small (S), Large (L) or Free Size.Ģ. In most cases, knowing your wrist size/length will be sufficient. Simply use a flexible measuring tape to wrap around your wrist and record the measurement on the tape that overlaps the zero end of the tape OR just grab any string/paper strips to do the same, then lay the string on a ruler to get your accurate wrist size. If you are still unsure, you may contact us here. Please check the sizing guide below before ordering. At Astra Straps, all our straps have specific and clear sizes indicated.

Fitbit charge 4 band