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 & 2 silicone fastener ring!

Technical Details

Product Details

Package Dimensions
Width : 2 inch
Height : 0.01 inch
Length : 4.5 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B01N5EJ8M7