Replacement Charger Cable + Plug for Fitbit Charge HR Wristband. NOTE: Suitable for Fitbit Charge HR only, NOT for any other models. Made of TPE material and premium quality copper wire, which is much more durable than many cables in the market. 1 meter extra long charging cable, with convenient design, this upgraded cable is long enough for you to charge at bedroom, sitting room, office, street, etc. Built-in Voltage Regulator (PTC) Inside: Prevent your Fitbit Charge HR from being damaged by overcurrent or short circuit. Designed with compact and lightweight features, 100-240 volt input and portable carried plug ideal for your travel.