Extender Band for Fitbit Flex/ 2 Fitbit Alta/HR Fitness Tracker Wristbands - Designed for Larger Si
Compatible with Fitbit Flex, Fitbit Flex 2, Fitbit Alta, Alta HR fitness wristband and fit tightly.
Extend your fitbit wristband from Small size to a Large or X-Large size.
Wear your Fitbit wristband around ankle and get more accurate step counter.
Fit adults ankle between 9" to 12" sizes, comfortable fit and no worry losing your fitbit.
Package only include 1 x extender strap !#!amp!*! 2 silicone fastener ring!