Compatibility: This Sport Accessory bands Compatible with Fitbit Charge 5 Advanced Fitness & Health Tracker ONLY. (NOTE: The Tracker is not included). Please Make sure your watch model before choosing the straps.
Band Size: Small size fits for 5.5″-7.8″(140mm-198mm) wrists; Large Size fits for 7.1″-8.9″(180mm-226mm) wrists; The size can be adjusted according to the circumstance of individual wrist，Perfectly fit for runing, swimming, riding, workouts, parties, climbing, hiking, traveling and more outdoor activities.
Install & Adjust Simply：This wristand is super easy to remove and install. Easy and direct installation and one button removal. The notch is also designed little longer to make it attached super tight. Never going to loose and fall off.