SnowCinda Clip Clasp Strap Compatible with Fitbit Zip Bracelet Sports Monitor (No Tracker,Clasp Strap only) (zip band-black) First wristband for Fitbit Zip activity tracker that turns your Zip into wearable Fitbit FLEX/FORCE/CHARGE. Easy to operate, to prevent the loss of your zip, particularly beautiful Turn you Fitbit Zip into a watch. Personalize your wristband to match your daily style with these brand new color choicesng and durable Please note that the step count sensitivity of the tracker might be altered when worn on wrist depending on tightness. However, the trend of your daily activity will NOT be affected.