honecumi Extender Bands/Strap Compatible with Fitbit Flex/2 & Fitbit Alta for Ankle Wear Larger Size Wristbands Watch Bands Strap Extender with Buckle Extension Accessory for Men & Women Compatible Model:Nice extender strap for Fitbit Flex, Fitbit Flex 2, Fitbit Alta, Alta HR ,Fitbit Ace fitness tracker wristband,No Tracker,No replacement band.These extender strap need match with bands to use. Adjustable size:The extender strap length is 11.5cm (4.52),width is 1.4 cm (0.55) ,Fit adults ankle between 9" to 12" sizes,designed for Larger Size Wrists or Ankle Wear.Buckle Closure,Extend your fitbit wristband from Small size to Large or X-Large size and enable you wear Fitbit on ankle and get more accurate step counter. More accurate:Fitbit tracks "steps" & not "arm swings" when you're on foot or your hands are full, (anytime you're moving, walking, biking, carrying anything really) you're hands aren't always swinging and tracking "steps" ...so you need this to be much more accurate at logging your actual steps. Personalized:There are 3 colors to choose, different color designed bands can personalized your Fitbit flex/2/alta/alta hr smart watch fitness tracker in a individual style, the color can match your different mood and outfits in daily life. 90 days warranty:If you receive defective items or have any problem,please let us know, contact us via order mail at the first moment,well provide a sincere service as soon as possible,hassle free replacement or full refund without return would provide to you.Thank you for your support!