The Charge 4 is great value and has much to offer — slim design, long battery life, GPS, a sleep monitoring function, Fitbit Pay and an array of activity-tracking modes.

After a few months of user complaints, Fitbit has confirmed a slight defect with its Charge 4 fitness tracker than leaves a gap in the band.

The Charge 4 is great value and has much to offer — slim design, long battery life, GPS, a sleep monitoring function, Fitbit Pay and an array of activity-tracking modes.

Fitbit’s Charge 4 Is a Great Tracker That’s Come at a Weird Time The woven band for the Special Edition, pictured here, is nice but probably not worth the extra $20. Photo: Victoria Song (Gizmodo) ...