1 Extensive compatibilityOur charging dock is compatible for Fitbit Charge 5 smart watches (only charging dock is sold, smart watches are not included). 2 Fast charging stabilityYou can connect the power adapter, car adapter, mobile power, laptop, etc., these charging methods can provide you with an efficient and stable charging experience. It also provides fast and stable charging speed. 3Safe chargingThis charging cable has a built-in voltage regulator and PTC, which can protect your device from over-current damage when it is connected to the power supply. This charging base has over-voltage and over-current protection functions to protect your watch from damage while charging. 4LightweightThis charging cable is easy to carry when going out. The compact and lightweight design makes it very suitable for travelers and business users. 5 Packing List You will get a USB charging cable compatible for Fitbit Luxe \/Charge 5 smart charging (not including watch).