Compatible with Fitbit Charge 3 / Charge 4 / Charge 3 SE / Charge 4 SE Fitness Activity Tracker. Fits 5.2"-7.9" (130mm-200mm) wrist. Come with a tool to resize the watch band.
Crafted from top stainless steel, it will be comfortable touch feeling on your wrist, wear-resisting, high hardness and corrosion resisting.
Premium stainless steel connectors lock onto your fitbit charge 3 tracker interface precisely and securely.
Adopts double button folding clasp, Clasp close securely, and prevent loosen automatically, easily to take on / remove, safe and beautiful.