Fitian Micro USB Charging Charger Cable with OTG Function for Fitbit Charge/ Fitbit Force Activity Tracker (1 Pcs) OTG function designed for connecting Fitbit Charge charging through Mobile devices. Perfect for outdoor activities, holidays and business. Charging power and synchronizing or transfering data simultaneously Replacement for lost or damaged cables with perfect function; About 20cm in length Fit for Fitbit Charge/ Fitbit Force ONLY, NOT compatible with Fitbit Charge HR. Package include: Fitbit Charge/ Fitbit Force Micro USB OTG Charging Cable ONLY.