【Attention】- Designed for BIGGERFIVE VIGOR 2 L(BF200L) fitness tracker. If you can't confirm the model of your fitness tracker, please contact with us before placing order.
【Strap Size】- Adjustable strap. The wrist circle length is around 5.5 inch ~ 7.32 inch. It can be set to fit wrists 5 to 7.3 inches in circumference.
【Strap Material】- Made up of soft silicone, which is flexible and comfortable, and does not contain any harmful substances.
【Fast Charging】- Charging for 2 hours, the fitness tracker battery can last up to 7 days.
【Convenience】- The strap is easy to remove and install, charging method is quite simple as well (Please check the charging picture).