COMPATIBILITY - Our Huawei watch 2 charging cables are ONLY suitable for Huawei watch 2(Huawei watch 2 Pro). It is specially designed for the model. TIGHT CONNECTION DESIGN - Our Huawei watch 2 charger are not loose, they are sturdy with strong magnetism and force of attraction, do not fall out which helps keep the charger in place for a reliable charging. FAST CHARGE & STABLE PERFORMANCE - Our Huawei watch 2 charger can be connected to USB power source on PC, laptop, notebook, because this charging method can provide high efficiency and high stability charging experience for you. OVER-VOLTAGE & OVER-CURRENT PROTECTION - Our Huawei watch 2 charger provides fast and stable charging speed. Made of over- voltage and over-current protection, they will protect your watch from being damaged when charging.