For Fitbit Charge 4 / Charge 3 / Charge 3 SE Watch Button Two Colors Silicone Replacement Strap Watchband (Midnight Blue Grey)

1. Easy to adjust the length to fit your wrist
2. Has good elasticity, wear resistance and environmental protection
3. Silicone strap, soft and comfortable to wear, will not cause harm to the watch
4. Replacement strap, can replace damaged strap
5. Easy to install